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Message-ID: <1362129067.2262.84.camel@liguang.fnst.cn.fujitsu.com>
Date: Fri, 01 Mar 2013 17:11:07 +0800
From: li guang <lig.fnst@...fujitsu.com>
To: "H. Peter Anvin" <hpa@...or.com>
Cc: tglx@...utronix.de, mingo@...hat.com, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] x86: change names of e820 memory map type
gratuitous?
It was inspired by gtk library's key definitions,
gtk original keys like GDK_1, GDK_2, GDK_p, GDK_q, GDK_tab ...
now they all be changed to GDK_KEY_1, GDK_KEY_2 ...
do you think it's reasonable?
or gratuitous?
在 2013-02-28四的 21:29 -0800，H. Peter Anvin写道：
> NAK. Gratuitous pointless change.
>
> liguang <lig.fnst@...fujitsu.com> wrote:
>
> >E820_RAM -> E820_TYPE_RAM
> >E820_ACPI-> E820_TYPE_ACPI
> >...
> >
> >names like E820_RAM is conflict-prone,
> >because user is more likely to define
> >a macro like this if did not strongly
> >aware this name have been defined
> >by e820.h
> >
> >Signed-off-by: liguang <lig.fnst@...fujitsu.com>
> >---
> > arch/x86/boot/compressed/eboot.c | 10 +++---
> > arch/x86/include/asm/gart.h | 2 +-
> > arch/x86/include/uapi/asm/e820.h | 12 ++++----
> > arch/x86/kernel/acpi/boot.c | 2 +-
> > arch/x86/kernel/aperture_64.c | 4 +-
> > arch/x86/kernel/cpu/centaur.c | 2 +-
> > arch/x86/kernel/cpu/mtrr/cleanup.c | 2 +-
> >arch/x86/kernel/e820.c | 52
> >++++++++++++++++----------------
> > arch/x86/kernel/setup.c | 22 +++++++-------
> > arch/x86/kernel/tboot.c | 8 ++--
> > arch/x86/mm/init_64.c | 12 ++++----
> > arch/x86/pci/mmconfig-shared.c | 2 +-
> > arch/x86/platform/efi/efi.c | 14 ++++----
> > arch/x86/platform/visws/visws_quirks.c | 6 ++--
> > arch/x86/xen/setup.c | 16 +++++-----
> > 15 files changed, 83 insertions(+), 83 deletions(-)
> >
> >diff --git a/arch/x86/boot/compressed/eboot.c
> >b/arch/x86/boot/compressed/eboot.c
> >index f8fa411..5bda487 100644
> >--- a/arch/x86/boot/compressed/eboot.c
> >+++ b/arch/x86/boot/compressed/eboot.c
> >@@ -1040,15 +1040,15 @@ again:
> > case EFI_MEMORY_MAPPED_IO:
> > case EFI_MEMORY_MAPPED_IO_PORT_SPACE:
> > case EFI_PAL_CODE:
> >- e820_type = E820_RESERVED;
> >+ e820_type = E820_TYPE_RESERVED;
> > break;
> >
> > case EFI_UNUSABLE_MEMORY:
> >- e820_type = E820_UNUSABLE;
> >+ e820_type = E820_TYPE_UNUSABLE;
> > break;
> >
> > case EFI_ACPI_RECLAIM_MEMORY:
> >- e820_type = E820_ACPI;
> >+ e820_type = E820_TYPE_ACPI;
> > break;
> >
> > case EFI_LOADER_CODE:
> >@@ -1056,11 +1056,11 @@ again:
> > case EFI_BOOT_SERVICES_CODE:
> > case EFI_BOOT_SERVICES_DATA:
> > case EFI_CONVENTIONAL_MEMORY:
> >- e820_type = E820_RAM;
> >+ e820_type = E820_TYPE_RAM;
> > break;
> >
> > case EFI_ACPI_MEMORY_NVS:
> >- e820_type = E820_NVS;
> >+ e820_type = E820_TYPE_NVS;
> > break;
> >
> > default:
> >diff --git a/arch/x86/include/asm/gart.h b/arch/x86/include/asm/gart.h
> >index 156cd5d..4d22bcc 100644
> >--- a/arch/x86/include/asm/gart.h
> >+++ b/arch/x86/include/asm/gart.h
> >@@ -97,7 +97,7 @@ static inline int aperture_valid(u64 aper_base, u32
> >aper_size, u32 min_size)
> > printk(KERN_INFO "Aperture beyond 4GB. Ignoring.\n");
> > return 0;
> > }
> >- if (e820_any_mapped(aper_base, aper_base + aper_size, E820_RAM)) {
> >+ if (e820_any_mapped(aper_base, aper_base + aper_size, E820_TYPE_RAM))
> >{
> > printk(KERN_INFO "Aperture pointing to e820 RAM. Ignoring.\n");
> > return 0;
> > }
> >diff --git a/arch/x86/include/uapi/asm/e820.h
> >b/arch/x86/include/uapi/asm/e820.h
> >index bbae024..2d400b1 100644
> >--- a/arch/x86/include/uapi/asm/e820.h
> >+++ b/arch/x86/include/uapi/asm/e820.h
> >@@ -32,11 +32,11 @@
> >
> > #define E820NR 0x1e8 /* # entries in E820MAP */
> >
> >-#define E820_RAM 1
> >-#define E820_RESERVED 2
> >-#define E820_ACPI 3
> >-#define E820_NVS 4
> >-#define E820_UNUSABLE 5
> >+#define E820_TYPE_RAM 1
> >+#define E820_TYPE_RESERVED 2
> >+#define E820_TYPE_ACPI 3
> >+#define E820_TYPE_NVS 4
> >+#define E820_TYPE_UNUSABLE 5
> >
> >
> > /*
> >@@ -45,7 +45,7 @@
> > * included in the S3 integrity calculation and so should not include
> > * any memory that BIOS might alter over the S3 transition
> > */
> >-#define E820_RESERVED_KERN 128
> >+#define E820_TYPE_RESERVED_KERN 128
> >
> > #ifndef __ASSEMBLY__
> > #include <linux/types.h>
> >diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
> >index 230c8ea..9595747 100644
> >--- a/arch/x86/kernel/acpi/boot.c
> >+++ b/arch/x86/kernel/acpi/boot.c
> >@@ -1712,6 +1712,6 @@ int __acpi_release_global_lock(unsigned int
> >*lock)
> >
> >void __init arch_reserve_mem_area(acpi_physical_address addr, size_t
> >size)
> > {
> >- e820_add_region(addr, size, E820_ACPI);
> >+ e820_add_region(addr, size, E820_TYPE_ACPI);
> > update_e820();
> > }
> >diff --git a/arch/x86/kernel/aperture_64.c
> >b/arch/x86/kernel/aperture_64.c
> >index d5fd66f..0210300 100644
> >--- a/arch/x86/kernel/aperture_64.c
> >+++ b/arch/x86/kernel/aperture_64.c
> >@@ -322,10 +322,10 @@ void __init early_gart_iommu_check(void)
> >
> > if (gart_fix_e820 && !fix && aper_enabled) {
> > if (e820_any_mapped(aper_base, aper_base + aper_size,
> >- E820_RAM)) {
> >+ E820_TYPE_RAM)) {
> > /* reserve it, so we can reuse it in second kernel */
> > printk(KERN_INFO "update e820 for GART\n");
> >- e820_add_region(aper_base, aper_size, E820_RESERVED);
> >+ e820_add_region(aper_base, aper_size, E820_TYPE_RESERVED);
> > update_e820();
> > }
> > }
> >diff --git a/arch/x86/kernel/cpu/centaur.c
> >b/arch/x86/kernel/cpu/centaur.c
> >index 159103c..afcfc28 100644
> >--- a/arch/x86/kernel/cpu/centaur.c
> >+++ b/arch/x86/kernel/cpu/centaur.c
> >@@ -57,7 +57,7 @@ static u32 __cpuinit ramtop(void)
> > * Don't MCR over reserved space. Ignore the ISA hole
> > * we frob around that catastrophe already
> > */
> >- if (e820.map[i].type == E820_RESERVED) {
> >+ if (e820.map[i].type == E820_TYPE_RESERVED) {
> > if (e820.map[i].addr >= 0x100000UL &&
> > e820.map[i].addr < clip)
> > clip = e820.map[i].addr;
> >diff --git a/arch/x86/kernel/cpu/mtrr/cleanup.c
> >b/arch/x86/kernel/cpu/mtrr/cleanup.c
> >index 35ffda5..6976e3d 100644
> >--- a/arch/x86/kernel/cpu/mtrr/cleanup.c
> >+++ b/arch/x86/kernel/cpu/mtrr/cleanup.c
> >@@ -854,7 +854,7 @@ real_trim_memory(unsigned long start_pfn, unsigned
> >long limit_pfn)
> > trim_size <<= PAGE_SHIFT;
> > trim_size -= trim_start;
> >
> >- return e820_update_range(trim_start, trim_size, E820_RAM,
> >E820_RESERVED);
> >+ return e820_update_range(trim_start, trim_size, E820_TYPE_RAM,
> >E820_TYPE_RESERVED);
> > }
> >
> > /**
> >diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
> >index d32abea..82e7498 100644
> >--- a/arch/x86/kernel/e820.c
> >+++ b/arch/x86/kernel/e820.c
> >@@ -133,20 +133,20 @@ void __init e820_add_region(u64 start, u64 size,
> >int type)
> > static void __init e820_print_type(u32 type)
> > {
> > switch (type) {
> >- case E820_RAM:
> >- case E820_RESERVED_KERN:
> >+ case E820_TYPE_RAM:
> >+ case E820_TYPE_RESERVED_KERN:
> > printk(KERN_CONT "usable");
> > break;
> >- case E820_RESERVED:
> >+ case E820_TYPE_RESERVED:
> > printk(KERN_CONT "reserved");
> > break;
> >- case E820_ACPI:
> >+ case E820_TYPE_ACPI:
> > printk(KERN_CONT "ACPI data");
> > break;
> >- case E820_NVS:
> >+ case E820_TYPE_NVS:
> > printk(KERN_CONT "ACPI NVS");
> > break;
> >- case E820_UNUSABLE:
> >+ case E820_TYPE_UNUSABLE:
> > printk(KERN_CONT "unusable");
> > break;
> > default:
> >@@ -694,7 +694,7 @@ void __init e820_mark_nosave_regions(unsigned long
> >limit_pfn)
> > register_nosave_region(pfn, PFN_UP(ei->addr));
> >
> > pfn = PFN_DOWN(ei->addr + ei->size);
> >- if (ei->type != E820_RAM && ei->type != E820_RESERVED_KERN)
> >+ if (ei->type != E820_TYPE_RAM && ei->type !=
> >E820_TYPE_RESERVED_KERN)
> > register_nosave_region(PFN_UP(ei->addr), pfn);
> >
> > if (pfn >= limit_pfn)
> >@@ -715,7 +715,7 @@ static int __init e820_mark_nvs_memory(void)
> > for (i = 0; i < e820.nr_map; i++) {
> > struct e820entry *ei = &e820.map[i];
> >
> >- if (ei->type == E820_NVS)
> >+ if (ei->type == E820_TYPE_NVS)
> > acpi_nvs_register(ei->addr, ei->size);
> > }
> >
> >@@ -733,7 +733,7 @@ u64 __init early_reserve_e820(u64 size, u64 align)
> >
> > addr = __memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ACCESSIBLE);
> > if (addr) {
> >- e820_update_range_saved(addr, size, E820_RAM, E820_RESERVED);
> >+ e820_update_range_saved(addr, size, E820_TYPE_RAM,
> >E820_TYPE_RESERVED);
> > printk(KERN_INFO "e820: update e820_saved for early_reserve_e820\n");
> > update_e820_saved();
> > }
> >@@ -790,12 +790,12 @@ static unsigned long __init e820_end_pfn(unsigned
> >long limit_pfn, unsigned type)
> > }
> > unsigned long __init e820_end_of_ram_pfn(void)
> > {
> >- return e820_end_pfn(MAX_ARCH_PFN, E820_RAM);
> >+ return e820_end_pfn(MAX_ARCH_PFN, E820_TYPE_RAM);
> > }
> >
> > unsigned long __init e820_end_of_low_ram_pfn(void)
> > {
> >- return e820_end_pfn(1UL<<(32 - PAGE_SHIFT), E820_RAM);
> >+ return e820_end_pfn(1UL<<(32 - PAGE_SHIFT), E820_TYPE_RAM);
> > }
> >
> > static void early_panic(char *msg)
> >@@ -829,7 +829,7 @@ static int __init parse_memopt(char *p)
> > /* don't remove all of memory when handling "mem={invalid}" param */
> > if (mem_size == 0)
> > return -EINVAL;
> >- e820_remove_range(mem_size, ULLONG_MAX - mem_size, E820_RAM, 1);
> >+ e820_remove_range(mem_size, ULLONG_MAX - mem_size, E820_TYPE_RAM, 1);
> >
> > return 0;
> > }
> >@@ -865,15 +865,15 @@ static int __init parse_memmap_one(char *p)
> > userdef = 1;
> > if (*p == '@') {
> > start_at = memparse(p+1, &p);
> >- e820_add_region(start_at, mem_size, E820_RAM);
> >+ e820_add_region(start_at, mem_size, E820_TYPE_RAM);
> > } else if (*p == '#') {
> > start_at = memparse(p+1, &p);
> >- e820_add_region(start_at, mem_size, E820_ACPI);
> >+ e820_add_region(start_at, mem_size, E820_TYPE_ACPI);
> > } else if (*p == '$') {
> > start_at = memparse(p+1, &p);
> >- e820_add_region(start_at, mem_size, E820_RESERVED);
> >+ e820_add_region(start_at, mem_size, E820_TYPE_RESERVED);
> > } else
> >- e820_remove_range(mem_size, ULLONG_MAX - mem_size, E820_RAM, 1);
> >+ e820_remove_range(mem_size, ULLONG_MAX - mem_size, E820_TYPE_RAM,
> >1);
> >
> > return *p == '\0' ? 0 : -EINVAL;
> > }
> >@@ -910,11 +910,11 @@ void __init finish_e820_parsing(void)
> > static inline const char *e820_type_to_string(int e820_type)
> > {
> > switch (e820_type) {
> >- case E820_RESERVED_KERN:
> >- case E820_RAM: return "System RAM";
> >- case E820_ACPI: return "ACPI Tables";
> >- case E820_NVS: return "ACPI Non-volatile Storage";
> >- case E820_UNUSABLE: return "Unusable memory";
> >+ case E820_TYPE_RESERVED_KERN:
> >+ case E820_TYPE_RAM: return "System RAM";
> >+ case E820_TYPE_ACPI: return "ACPI Tables";
> >+ case E820_TYPE_NVS: return "ACPI Non-volatile Storage";
> >+ case E820_TYPE_UNUSABLE: return "Unusable memory";
> > default: return "reserved";
> > }
> > }
> >@@ -948,7 +948,7 @@ void __init e820_reserve_resources(void)
> > * pci device BAR resource and insert them later in
> > * pcibios_resource_survey()
> > */
> >- if (e820.map[i].type != E820_RESERVED || res->start < (1ULL<<20)) {
> >+ if (e820.map[i].type != E820_TYPE_RESERVED || res->start <
> >(1ULL<<20)) {
> > res->flags |= IORESOURCE_BUSY;
> > insert_resource(&iomem_resource, res);
> > }
> >@@ -1002,7 +1002,7 @@ void __init e820_reserve_resources_late(void)
> > struct e820entry *entry = &e820.map[i];
> > u64 start, end;
> >
> >- if (entry->type != E820_RAM)
> >+ if (entry->type != E820_TYPE_RAM)
> > continue;
> > start = entry->addr + entry->size;
> > end = round_up(start, ram_alignment(start)) - 1;
> >@@ -1048,8 +1048,8 @@ char *__init
> >default_machine_specific_memory_setup(void)
> > }
> >
> > e820.nr_map = 0;
> >- e820_add_region(0, LOWMEMSIZE(), E820_RAM);
> >- e820_add_region(HIGH_MEMORY, mem_size << 10, E820_RAM);
> >+ e820_add_region(0, LOWMEMSIZE(), E820_TYPE_RAM);
> >+ e820_add_region(HIGH_MEMORY, mem_size << 10, E820_TYPE_RAM);
> > }
> >
> > /* In case someone cares... */
> >@@ -1085,7 +1085,7 @@ void __init memblock_x86_fill(void)
> > if (end != (resource_size_t)end)
> > continue;
> >
> >- if (ei->type != E820_RAM && ei->type != E820_RESERVED_KERN)
> >+ if (ei->type != E820_TYPE_RAM && ei->type !=
> >E820_TYPE_RESERVED_KERN)
> > continue;
> >
> > memblock_add(ei->addr, ei->size);
> >diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
> >index 9c857f0..5f197d8 100644
> >--- a/arch/x86/kernel/setup.c
> >+++ b/arch/x86/kernel/setup.c
> >@@ -116,7 +116,7 @@
> > * max_low_pfn_mapped: highest direct mapped pfn under 4GB
> > * max_pfn_mapped: highest direct mapped pfn over 4GB
> > *
> >- * The direct mapping only covers E820_RAM regions, so the ranges and
> >gaps are
> >+ * The direct mapping only covers E820_TYPE_RAM regions, so the ranges
> >and gaps are
> > * represented by pfn_mapped
> > */
> > unsigned long max_low_pfn_mapped;
> >@@ -464,7 +464,7 @@ static void __init e820_reserve_setup_data(void)
> > while (pa_data) {
> > data = early_memremap(pa_data, sizeof(*data));
> > e820_update_range(pa_data, sizeof(*data)+data->len,
> >- E820_RAM, E820_RESERVED_KERN);
> >+ E820_TYPE_RAM, E820_TYPE_RESERVED_KERN);
> > found = 1;
> > pa_data = data->next;
> > early_iounmap(data, sizeof(*data));
> >@@ -732,14 +732,14 @@ static void __init trim_bios_range(void)
> > * since some BIOSes are known to corrupt low memory. See the
> > * Kconfig help text for X86_RESERVE_LOW.
> > */
> >- e820_update_range(0, PAGE_SIZE, E820_RAM, E820_RESERVED);
> >+ e820_update_range(0, PAGE_SIZE, E820_TYPE_RAM, E820_TYPE_RESERVED);
> >
> > /*
> > * special case: Some BIOSen report the PC BIOS
> > * area (640->1Mb) as ram even though it is not.
> > * take them out.
> > */
> >- e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
> >+ e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_TYPE_RAM,
> >1);
> >
> > sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
> > }
> >@@ -751,18 +751,18 @@ static void __init e820_add_kernel_range(void)
> > u64 size = __pa_symbol(_end) - start;
> >
> > /*
> >- * Complain if .text .data and .bss are not marked as E820_RAM and
> >+ * Complain if .text .data and .bss are not marked as E820_TYPE_RAM
> >and
> > * attempt to fix it by adding the range. We may have a confused BIOS,
> > * or the user may have used memmap=exactmap or memmap=xxM$yyM to
> > * exclude kernel range. If we really are running on top non-RAM,
> > * we will crash later anyways.
> > */
> >- if (e820_all_mapped(start, start + size, E820_RAM))
> >+ if (e820_all_mapped(start, start + size, E820_TYPE_RAM))
> > return;
> >
> >- pr_warn(".text .data .bss are not marked as E820_RAM!\n");
> >- e820_remove_range(start, size, E820_RAM, 0);
> >- e820_add_region(start, size, E820_RAM);
> >+ pr_warn(".text .data .bss are not marked as E820_TYPE_RAM!\n");
> >+ e820_remove_range(start, size, E820_TYPE_RAM, 0);
> >+ e820_add_region(start, size, E820_TYPE_RAM);
> > }
> >
> > static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10;
> >@@ -982,8 +982,8 @@ void __init setup_arch(char **cmdline_p)
> > trim_bios_range();
> > #ifdef CONFIG_X86_32
> > if (ppro_with_ram_bug()) {
> >- e820_update_range(0x70000000ULL, 0x40000ULL, E820_RAM,
> >- E820_RESERVED);
> >+ e820_update_range(0x70000000ULL, 0x40000ULL, E820_TYPE_RAM,
> >+ E820_TYPE_RESERVED);
> > sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
> > printk(KERN_INFO "fixed physical RAM map:\n");
> > e820_print_map("bad_ppro");
> >diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
> >index f84fe00..9be3a2a 100644
> >--- a/arch/x86/kernel/tboot.c
> >+++ b/arch/x86/kernel/tboot.c
> >@@ -68,8 +68,8 @@ void __init tboot_probe(void)
> > * set_fixmap(), to reduce chance of garbage value causing crash
> > */
> > if (!e820_any_mapped(boot_params.tboot_addr,
> >- boot_params.tboot_addr, E820_RESERVED)) {
> >- pr_warning("non-0 tboot_addr but it is not of type
> >E820_RESERVED\n");
> >+ boot_params.tboot_addr, E820_TYPE_RESERVED)) {
> >+ pr_warning("non-0 tboot_addr but it is not of type
> >E820_TYPE_RESERVED\n");
> > return;
> > }
> >
> >@@ -194,8 +194,8 @@ static int tboot_setup_sleep(void)
> > tboot->num_mac_regions = 0;
> >
> > for (i = 0; i < e820.nr_map; i++) {
> >- if ((e820.map[i].type != E820_RAM)
> >- && (e820.map[i].type != E820_RESERVED_KERN))
> >+ if ((e820.map[i].type != E820_TYPE_RAM)
> >+ && (e820.map[i].type != E820_TYPE_RESERVED_KERN))
> > continue;
> >
> > add_mac_region(e820.map[i].addr, e820.map[i].size);
> >diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
> >index 474e28f..9bded61 100644
> >--- a/arch/x86/mm/init_64.c
> >+++ b/arch/x86/mm/init_64.c
> >@@ -412,8 +412,8 @@ phys_pte_init(pte_t *pte_page, unsigned long addr,
> >unsigned long end,
> > next = (addr & PAGE_MASK) + PAGE_SIZE;
> > if (addr >= end) {
> > if (!after_bootmem &&
> >- !e820_any_mapped(addr & PAGE_MASK, next, E820_RAM) &&
> >- !e820_any_mapped(addr & PAGE_MASK, next, E820_RESERVED_KERN))
> >+ !e820_any_mapped(addr & PAGE_MASK, next, E820_TYPE_RAM) &&
> >+ !e820_any_mapped(addr & PAGE_MASK, next,
> >E820_TYPE_RESERVED_KERN))
> > set_pte(pte, __pte(0));
> > continue;
> > }
> >@@ -460,8 +460,8 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long
> >address, unsigned long end,
> > next = (address & PMD_MASK) + PMD_SIZE;
> > if (address >= end) {
> > if (!after_bootmem &&
> >- !e820_any_mapped(address & PMD_MASK, next, E820_RAM) &&
> >- !e820_any_mapped(address & PMD_MASK, next, E820_RESERVED_KERN))
> >+ !e820_any_mapped(address & PMD_MASK, next, E820_TYPE_RAM) &&
> >+ !e820_any_mapped(address & PMD_MASK, next,
> >E820_TYPE_RESERVED_KERN))
> > set_pmd(pmd, __pmd(0));
> > continue;
> > }
> >@@ -534,8 +534,8 @@ phys_pud_init(pud_t *pud_page, unsigned long addr,
> >unsigned long end,
> > next = (addr & PUD_MASK) + PUD_SIZE;
> > if (addr >= end) {
> > if (!after_bootmem &&
> >- !e820_any_mapped(addr & PUD_MASK, next, E820_RAM) &&
> >- !e820_any_mapped(addr & PUD_MASK, next, E820_RESERVED_KERN))
> >+ !e820_any_mapped(addr & PUD_MASK, next, E820_TYPE_RAM) &&
> >+ !e820_any_mapped(addr & PUD_MASK, next,
> >E820_TYPE_RESERVED_KERN))
> > set_pud(pud, __pud(0));
> > continue;
> > }
> >diff --git a/arch/x86/pci/mmconfig-shared.c
> >b/arch/x86/pci/mmconfig-shared.c
> >index 082e881..15badb0 100644
> >--- a/arch/x86/pci/mmconfig-shared.c
> >+++ b/arch/x86/pci/mmconfig-shared.c
> >@@ -449,7 +449,7 @@ static int __ref
> >is_mmconf_reserved(check_reserved_t is_reserved,
> > int num_buses;
> > char *method = with_e820 ? "E820" : "ACPI motherboard resources";
> >
> >- while (!is_reserved(addr, addr + size, E820_RESERVED)) {
> >+ while (!is_reserved(addr, addr + size, E820_TYPE_RESERVED)) {
> > size >>= 1;
> > if (size < (16UL<<20))
> > break;
> >diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
> >index 2f81db4..5faa188 100644
> >--- a/arch/x86/platform/efi/efi.c
> >+++ b/arch/x86/platform/efi/efi.c
> >@@ -327,18 +327,18 @@ static void __init do_add_efi_memmap(void)
> > case EFI_BOOT_SERVICES_DATA:
> > case EFI_CONVENTIONAL_MEMORY:
> > if (md->attribute & EFI_MEMORY_WB)
> >- e820_type = E820_RAM;
> >+ e820_type = E820_TYPE_RAM;
> > else
> >- e820_type = E820_RESERVED;
> >+ e820_type = E820_TYPE_RESERVED;
> > break;
> > case EFI_ACPI_RECLAIM_MEMORY:
> >- e820_type = E820_ACPI;
> >+ e820_type = E820_TYPE_ACPI;
> > break;
> > case EFI_ACPI_MEMORY_NVS:
> >- e820_type = E820_NVS;
> >+ e820_type = E820_TYPE_NVS;
> > break;
> > case EFI_UNUSABLE_MEMORY:
> >- e820_type = E820_UNUSABLE;
> >+ e820_type = E820_TYPE_UNUSABLE;
> > break;
> > default:
> > /*
> >@@ -346,7 +346,7 @@ static void __init do_add_efi_memmap(void)
> > * EFI_RUNTIME_SERVICES_DATA EFI_MEMORY_MAPPED_IO
> > * EFI_MEMORY_MAPPED_IO_PORT_SPACE EFI_PAL_CODE
> > */
> >- e820_type = E820_RESERVED;
> >+ e820_type = E820_TYPE_RESERVED;
> > break;
> > }
> > e820_add_region(start, size, e820_type);
> >@@ -419,7 +419,7 @@ void __init efi_reserve_boot_services(void)
> > */
> > if ((start+size >= __pa_symbol(_text)
> > && start <= __pa_symbol(_end)) ||
> >- !e820_all_mapped(start, start+size, E820_RAM) ||
> >+ !e820_all_mapped(start, start+size, E820_TYPE_RAM) ||
> > memblock_is_region_reserved(start, size)) {
> > /* Could not reserve, skip it */
> > md->num_pages = 0;
> >diff --git a/arch/x86/platform/visws/visws_quirks.c
> >b/arch/x86/platform/visws/visws_quirks.c
> >index 94d8a39..1531add 100644
> >--- a/arch/x86/platform/visws/visws_quirks.c
> >+++ b/arch/x86/platform/visws/visws_quirks.c
> >@@ -106,9 +106,9 @@ static char * __init visws_memory_setup(void)
> > sgivwfb_mem_size &= ~((1 << 20) - 1);
> > sgivwfb_mem_phys = mem_size - gfx_mem_size;
> >
> >- e820_add_region(0, LOWMEMSIZE(), E820_RAM);
> >- e820_add_region(HIGH_MEMORY, mem_size - sgivwfb_mem_size -
> >HIGH_MEMORY, E820_RAM);
> >- e820_add_region(sgivwfb_mem_phys, sgivwfb_mem_size, E820_RESERVED);
> >+ e820_add_region(0, LOWMEMSIZE(), E820_TYPE_RAM);
> >+ e820_add_region(HIGH_MEMORY, mem_size - sgivwfb_mem_size -
> >HIGH_MEMORY, E820_TYPE_RAM);
> >+ e820_add_region(sgivwfb_mem_phys, sgivwfb_mem_size,
> >E820_TYPE_RESERVED);
> >
> > return "PROM";
> > }
> >diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
> >index 94eac5c..877d2ef 100644
> >--- a/arch/x86/xen/setup.c
> >+++ b/arch/x86/xen/setup.c
> >@@ -173,7 +173,7 @@ static unsigned long __init xen_populate_chunk(
> > if (credits_left <= 0)
> > break;
> >
> >- if (entry->type != E820_RAM)
> >+ if (entry->type != E820_TYPE_RAM)
> > continue;
> >
> > e_pfn = PFN_DOWN(entry->addr + entry->size);
> >@@ -252,11 +252,11 @@ static unsigned long __init
> >xen_set_identity_and_release(
> > */
> > for (i = 0, entry = list; i < map_size; i++, entry++) {
> > phys_addr_t end = entry->addr + entry->size;
> >- if (entry->type == E820_RAM || i == map_size - 1) {
> >+ if (entry->type == E820_TYPE_RAM || i == map_size - 1) {
> > unsigned long start_pfn = PFN_DOWN(start);
> > unsigned long end_pfn = PFN_UP(end);
> >
> >- if (entry->type == E820_RAM)
> >+ if (entry->type == E820_TYPE_RAM)
> > end_pfn = PFN_UP(entry->addr);
> >
> > if (start_pfn < end_pfn)
> >@@ -305,7 +305,7 @@ static void xen_align_and_add_e820_region(u64
> >start, u64 size, int type)
> > u64 end = start + size;
> >
> > /* Align RAM regions to page boundaries. */
> >- if (type == E820_RAM) {
> >+ if (type == E820_TYPE_RAM) {
> > start = PAGE_ALIGN(start);
> > end &= ~((u64)PAGE_SIZE - 1);
> > }
> >@@ -348,7 +348,7 @@ char * __init xen_memory_setup(void)
> > map[0].size = mem_end;
> > /* 8MB slack (to balance backend allocations). */
> > map[0].size += 8ULL << 20;
> >- map[0].type = E820_RAM;
> >+ map[0].type = E820_TYPE_RAM;
> > rc = 0;
> > }
> > BUG_ON(rc);
> >@@ -400,7 +400,7 @@ char * __init xen_memory_setup(void)
> > u64 size = map[i].size;
> > u32 type = map[i].type;
> >
> >- if (type == E820_RAM) {
> >+ if (type == E820_TYPE_RAM) {
> > if (addr < mem_end) {
> > size = min(size, mem_end - addr);
> > } else if (extra_pages) {
> >@@ -408,7 +408,7 @@ char * __init xen_memory_setup(void)
> > extra_pages -= size / PAGE_SIZE;
> > xen_add_extra_mem(addr, size);
> > } else
> >- type = E820_UNUSABLE;
> >+ type = E820_TYPE_UNUSABLE;
> > }
> >
> > xen_align_and_add_e820_region(addr, size, type);
> >@@ -425,7 +425,7 @@ char * __init xen_memory_setup(void)
> > * about in there.
> > */
> > e820_add_region(ISA_START_ADDRESS, ISA_END_ADDRESS -
> >ISA_START_ADDRESS,
> >- E820_RESERVED);
> >+ E820_TYPE_RESERVED);
> >
> > /*
> > * Reserve Xen bits:
>
--
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