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Message-ID: <20070412203140.GB9353@arun.site>
Date: Fri, 13 Apr 2007 02:01:40 +0530
From: Milind Arun Choudhary <milindchoudhary@...il.com>
To: kernel-janitors@...ts.osdl.org, linux-ia64@...r.kernel.org,
discuss@...-64.org
Cc: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
tony.luck@...el.com, ak@...e.de
Subject: [KJ][PATCH 02/03]ROUND_UP|DOWN macro cleanup in arch/ia64,x86_64
ROUND_UP|DOWN macro cleanup in arch/ia64,
use ALIGN ALIGN_DOWN and round_down where ever appropriate.
Signed-off-by: Milind Arun Choudhary <milindchoudhary@...il.com>
---
arch/ia64/hp/common/sba_iommu.c | 8 +++-----
arch/ia64/ia32/sys_ia32.c | 4 +---
arch/ia64/kernel/efi.c | 14 +++++++-------
arch/ia64/kernel/machine_kexec.c | 3 ++-
arch/ia64/kernel/mca.c | 3 ++-
arch/ia64/mm/discontig.c | 10 +++++-----
arch/ia64/mm/init.c | 4 ++--
arch/ia64/mm/ioremap.c | 6 ++++--
include/asm-ia64/meminit.h | 7 -------
9 files changed, 26 insertions(+), 33 deletions(-)
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index c1dca22..2c49322 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -265,8 +265,6 @@ static u64 prefetch_spill_page;
*/
#define DMA_CHUNK_SIZE (BITS_PER_LONG*iovp_size)
-#define ROUNDUP(x,y) ((x + ((y)-1)) & ~((y)-1))
-
/************************************
** SBA register read and write support
**
@@ -520,7 +518,7 @@ sba_search_bitmap(struct ioc *ioc, unsigned long bits_wanted, int use_hint)
** SBA HW features in the unmap path.
*/
unsigned long o = 1 << get_iovp_order(bits_wanted << iovp_shift);
- uint bitshiftcnt = ROUNDUP(ioc->res_bitshift, o);
+ uint bitshiftcnt = ALIGN(ioc->res_bitshift, o);
unsigned long mask, base_mask;
base_mask = RESMAP_MASK(bits_wanted);
@@ -1031,7 +1029,7 @@ void sba_unmap_single(struct device *dev, dma_addr_t iova, size_t size, int dir)
iova ^= offset; /* clear offset bits */
size += offset;
- size = ROUNDUP(size, iovp_size);
+ size = ALIGN(size, iovp_size);
#ifdef ENABLE_MARK_CLEAN
if (dir == DMA_FROM_DEVICE)
@@ -1217,7 +1215,7 @@ sba_fill_pdir(
dma_sg->dma_length += cnt;
cnt += dma_offset;
dma_offset=0; /* only want offset on first chunk */
- cnt = ROUNDUP(cnt, iovp_size);
+ cnt = ALIGN(cnt, iovp_size);
do {
sba_io_pdir_entry(pdirp, vaddr);
vaddr += iovp_size;
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 0afb4fe..842b329 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -70,8 +70,6 @@
# define DBG(fmt...)
#endif
-#define ROUND_UP(x,a) ((__typeof__(x))(((unsigned long)(x) + ((a) - 1)) & ~((a) - 1)))
-
#define OFFSET4K(a) ((a) & 0xfff)
#define PAGE_START(addr) ((addr) & PAGE_MASK)
#define MINSIGSTKSZ_IA32 2048
@@ -1232,7 +1230,7 @@ filldir32 (void *__buf, const char *name, int namlen, loff_t offset, u64 ino,
{
struct compat_dirent __user * dirent;
struct getdents32_callback * buf = (struct getdents32_callback *) __buf;
- int reclen = ROUND_UP(offsetof(struct compat_dirent, d_name) + namlen + 1, 4);
+ int reclen = ALIGN(offsetof(struct compat_dirent, d_name) + namlen + 1, 4);
u32 d_ino;
buf->error = -EINVAL; /* only used if we fail.. */
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index f45f91d..65ae5bb 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -399,7 +399,7 @@ efi_map_pal_code (void)
* Cannot write to CRx with PSR.ic=1
*/
psr = ia64_clear_ic();
- ia64_itr(0x1, IA64_TR_PALCODE, GRANULEROUNDDOWN((unsigned long) pal_vaddr),
+ ia64_itr(0x1, IA64_TR_PALCODE, ALIGN_DOWN((unsigned long) pal_vaddr, IA64_GRANULE_SIZE),
pte_val(pfn_pte(__pa(pal_vaddr) >> PAGE_SHIFT, PAGE_KERNEL)),
IA64_GRANULE_SHIFT);
ia64_set_psr(psr); /* restore psr */
@@ -421,9 +421,9 @@ efi_init (void)
if (memcmp(cp, "mem=", 4) == 0) {
mem_limit = memparse(cp + 4, &cp);
} else if (memcmp(cp, "max_addr=", 9) == 0) {
- max_addr = GRANULEROUNDDOWN(memparse(cp + 9, &cp));
+ max_addr = ALIGN_DOWN(memparse(cp + 9, &cp), IA64_GRANULE_SIZE);
} else if (memcmp(cp, "min_addr=", 9) == 0) {
- min_addr = GRANULEROUNDDOWN(memparse(cp + 9, &cp));
+ min_addr = ALIGN_DOWN(memparse(cp + 9, &cp), IA64_GRANULE_SIZE);
} else {
while (*cp != ' ' && *cp)
++cp;
@@ -880,7 +880,7 @@ find_memmap_space (void)
continue;
}
if (pmd == NULL || !efi_wb(pmd) || efi_md_end(pmd) != md->phys_addr) {
- contig_low = GRANULEROUNDUP(md->phys_addr);
+ contig_low = ALIGN(md->phys_addr, IA64_GRANULE_SIZE);
contig_high = efi_md_end(md);
for (q = p + efi_desc_size; q < efi_map_end; q += efi_desc_size) {
check_md = q;
@@ -890,7 +890,7 @@ find_memmap_space (void)
break;
contig_high = efi_md_end(check_md);
}
- contig_high = GRANULEROUNDDOWN(contig_high);
+ contig_high = ALIGN_DOWN(contig_high, IA64_GRANULE_SIZE);
}
if (!is_memory_available(md) || md->type == EFI_LOADER_DATA)
continue;
@@ -956,7 +956,7 @@ efi_memmap_init(unsigned long *s, unsigned long *e)
continue;
}
if (pmd == NULL || !efi_wb(pmd) || efi_md_end(pmd) != md->phys_addr) {
- contig_low = GRANULEROUNDUP(md->phys_addr);
+ contig_low = ALIGN(md->phys_addr, IA64_GRANULE_SIZE);
contig_high = efi_md_end(md);
for (q = p + efi_desc_size; q < efi_map_end; q += efi_desc_size) {
check_md = q;
@@ -966,7 +966,7 @@ efi_memmap_init(unsigned long *s, unsigned long *e)
break;
contig_high = efi_md_end(check_md);
}
- contig_high = GRANULEROUNDDOWN(contig_high);
+ contig_high = ALIGN_DOWN(contig_high, IA64_GRANULE_SIZE);
}
if (!is_memory_available(md))
continue;
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index 4f0f3b8..9fb86f6 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -10,6 +10,7 @@
* Version 2. See the file COPYING for more details.
*/
+#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/kexec.h>
#include <linux/cpu.h>
@@ -115,7 +116,7 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg)
platform_kernel_launch_event();
rnk = (relocate_new_kernel_t)&code_addr;
(*rnk)(image->head, image->start, ia64_boot_param,
- GRANULEROUNDDOWN((unsigned long) pal_addr));
+ ALIGN_DOWN((unsigned long) pal_addr), IA64_GRANULE_SIZE);
BUG();
}
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 491687f..8e2cf23 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -79,6 +79,7 @@
#include <asm/meminit.h>
#include <asm/page.h>
#include <asm/ptrace.h>
+#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/sal.h>
#include <asm/mca.h>
@@ -1753,7 +1754,7 @@ ia64_mca_cpu_init(void *cpu_data)
if (!pal_vaddr)
return;
__get_cpu_var(ia64_mca_pal_base) =
- GRANULEROUNDDOWN((unsigned long) pal_vaddr);
+ ALIGN_DOWN((unsigned long) pal_vaddr, IA64_GRANULE_SIZE);
__get_cpu_var(ia64_mca_pal_pte) = pte_val(mk_pte_phys(__pa(pal_vaddr),
PAGE_KERNEL));
}
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 872da7a..f8cd0ec 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -77,8 +77,8 @@ static int __init build_node_maps(unsigned long start, unsigned long len,
unsigned long cstart, epfn, end = start + len;
struct bootmem_data *bdp = &mem_data[node].bootmem_data;
- epfn = GRANULEROUNDUP(end) >> PAGE_SHIFT;
- cstart = GRANULEROUNDDOWN(start);
+ epfn = ALIGN(end, IA64_GRANULE_SIZE) >> PAGE_SHIFT;
+ cstart = ALIGN_DOWN(start, IA64_GRANULE_SIZE);
if (!bdp->node_low_pfn) {
bdp->node_boot_start = cstart;
@@ -632,9 +632,9 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
mem_data[node].num_dma_physpages +=
(min(end, __pa(MAX_DMA_ADDRESS)) - start) >>PAGE_SHIFT;
#endif
- start = GRANULEROUNDDOWN(start);
- start = ORDERROUNDDOWN(start);
- end = GRANULEROUNDUP(end);
+ start = ALIGN_DOWN(start, IA64_GRANULE_SIZE);
+ start = ALIGN_DOWN(start, (PAGE_SIZE<<MAX_ORDER));
+ end = ALIGN(end, IA64_GRANULE_SIZE);
mem_data[node].max_pfn = max(mem_data[node].max_pfn,
end >> PAGE_SHIFT);
mem_data[node].min_pfn = min(mem_data[node].min_pfn,
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 4f36987..38d0dba 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -656,8 +656,8 @@ find_max_min_low_pfn (unsigned long start, unsigned long end, void *arg)
pfn_start = (PAGE_ALIGN(__pa(start))) >> PAGE_SHIFT;
pfn_end = (PAGE_ALIGN(__pa(end - 1))) >> PAGE_SHIFT;
#else
- pfn_start = GRANULEROUNDDOWN(__pa(start)) >> PAGE_SHIFT;
- pfn_end = GRANULEROUNDUP(__pa(end - 1)) >> PAGE_SHIFT;
+ pfn_start = ALIGN_DOWN(__pa(start), IA64_GRANULE_SIZE) >> PAGE_SHIFT;
+ pfn_end = ALIGN(__pa(end - 1), IA64_GRANULE_SIZE) >> PAGE_SHIFT;
#endif
min_low_pfn = min(min_low_pfn, pfn_start);
max_low_pfn = max(max_low_pfn, pfn_end);
diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c
index 4280c07..7647027 100644
--- a/arch/ia64/mm/ioremap.c
+++ b/arch/ia64/mm/ioremap.c
@@ -7,11 +7,13 @@
* published by the Free Software Foundation.
*/
+#include <linux/kernel.h>
#include <linux/compiler.h>
#include <linux/module.h>
#include <linux/efi.h>
#include <asm/io.h>
#include <asm/meminit.h>
+#include <asm/pgtable.h>
static inline void __iomem *
__ioremap (unsigned long offset, unsigned long size)
@@ -40,8 +42,8 @@ ioremap (unsigned long offset, unsigned long size)
* Some chipsets don't support UC access to memory. If
* WB is supported for the whole granule, we prefer that.
*/
- gran_base = GRANULEROUNDDOWN(offset);
- gran_size = GRANULEROUNDUP(offset + size) - gran_base;
+ gran_base = ALIGN_DOWN(offset, IA64_GRANULE_SIZE);
+ gran_size = ALIGN(offset + size, IA64_GRANULE_SIZE) - gran_base;
if (efi_mem_attribute(gran_base, gran_size) & EFI_MEMORY_WB)
return (void __iomem *) phys_to_virt(offset);
diff --git a/include/asm-ia64/meminit.h b/include/asm-ia64/meminit.h
index 3a62878..1b8d9d5 100644
--- a/include/asm-ia64/meminit.h
+++ b/include/asm-ia64/meminit.h
@@ -41,13 +41,6 @@ extern int find_max_min_low_pfn (unsigned long , unsigned long, void *);
extern unsigned long vmcore_find_descriptor_size(unsigned long address);
extern int reserve_elfcorehdr(unsigned long *start, unsigned long *end);
-/*
- * For rounding an address to the next IA64_GRANULE_SIZE or order
- */
-#define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1))
-#define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
-#define ORDERROUNDDOWN(n) ((n) & ~((PAGE_SIZE<<MAX_ORDER)-1))
-
#ifdef CONFIG_NUMA
extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
#else
--
Milind Arun Choudhary
-
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