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Date: Thu, 5 Aug 2021 15:02:40 -0400
From: Zi Yan <zi.yan@...t.com>
To: David Hildenbrand <david@...hat.com>, linux-mm@...ck.org
Cc: Matthew Wilcox <willy@...radead.org>,
Vlastimil Babka <vbabka@...e.cz>,
"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
Mike Kravetz <mike.kravetz@...cle.com>,
Michal Hocko <mhocko@...nel.org>,
John Hubbard <jhubbard@...dia.com>,
linux-kernel@...r.kernel.org, Zi Yan <ziy@...dia.com>,
Vineet Gupta <vgupta@...opsys.com>,
Shawn Guo <shawnguo@...nel.org>,
Catalin Marinas <catalin.marinas@....com>,
Guo Ren <guoren@...nel.org>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Ley Foon Tan <ley.foon.tan@...el.com>,
Michael Ellerman <mpe@...erman.id.au>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
"David S. Miller" <davem@...emloft.net>,
Chris Zankel <chris@...kel.net>,
linux-snps-arc@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-oxnas@...ups.io,
linux-csky@...r.kernel.org, linux-ia64@...r.kernel.org,
linux-m68k@...ts.linux-m68k.org, linux-mips@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
sparclinux@...r.kernel.org, linux-xtensa@...ux-xtensa.org
Subject: [RFC PATCH 02/15] arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER
From: Zi Yan <ziy@...dia.com>
This Kconfig option is used by individual arch to set its desired
MAX_ORDER. Rename it to reflect its actual use.
Signed-off-by: Zi Yan <ziy@...dia.com>
Cc: Vineet Gupta <vgupta@...opsys.com>
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Guo Ren <guoren@...nel.org>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: Ley Foon Tan <ley.foon.tan@...el.com>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Chris Zankel <chris@...kel.net>
Cc: linux-snps-arc@...ts.infradead.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-oxnas@...ups.io
Cc: linux-csky@...r.kernel.org
Cc: linux-ia64@...r.kernel.org
Cc: linux-m68k@...ts.linux-m68k.org
Cc: linux-mips@...r.kernel.org
Cc: linuxppc-dev@...ts.ozlabs.org
Cc: linux-sh@...r.kernel.org
Cc: sparclinux@...r.kernel.org
Cc: linux-xtensa@...ux-xtensa.org
Cc: linux-mm@...ck.org
Cc: linux-kernel@...r.kernel.org
---
arch/arc/Kconfig | 2 +-
arch/arm/Kconfig | 2 +-
arch/arm/configs/imx_v6_v7_defconfig | 2 +-
arch/arm/configs/milbeaut_m10v_defconfig | 2 +-
arch/arm/configs/oxnas_v6_defconfig | 2 +-
arch/arm/configs/sama7_defconfig | 2 +-
arch/arm64/Kconfig | 2 +-
arch/csky/Kconfig | 2 +-
arch/ia64/Kconfig | 2 +-
arch/ia64/include/asm/sparsemem.h | 6 +++---
arch/m68k/Kconfig.cpu | 2 +-
arch/mips/Kconfig | 2 +-
arch/nios2/Kconfig | 2 +-
arch/powerpc/Kconfig | 2 +-
arch/powerpc/configs/85xx/ge_imp3a_defconfig | 2 +-
arch/powerpc/configs/fsl-emb-nonhw.config | 2 +-
arch/sh/configs/ecovec24_defconfig | 2 +-
arch/sh/mm/Kconfig | 2 +-
arch/sparc/Kconfig | 2 +-
arch/xtensa/Kconfig | 2 +-
include/linux/mmzone.h | 4 ++--
21 files changed, 24 insertions(+), 24 deletions(-)
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index b5bf68e74732..923ea4c31e59 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -583,7 +583,7 @@ config ARC_BUILTIN_DTB_NAME
endmenu # "ARC Architecture Configuration"
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
default "12" if ARC_HUGEPAGE_16M
default "11"
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2fb7012c3246..286854318fe5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1523,7 +1523,7 @@ config ARM_MODULE_PLTS
Disabling this is usually safe for small single-platform
configurations. If unsure, say y.
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
default "12" if SOC_AM33XX
default "9" if SA1111
diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index 079fcd8d1d11..802310d3ebf5 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -34,7 +34,7 @@ CONFIG_PCI_IMX6=y
CONFIG_SMP=y
CONFIG_ARM_PSCI=y
CONFIG_HIGHMEM=y
-CONFIG_FORCE_MAX_ZONEORDER=14
+CONFIG_ARCH_FORCE_MAX_ORDER=14
CONFIG_CMDLINE="noinitrd console=ttymxc0,115200"
CONFIG_KEXEC=y
CONFIG_CPU_FREQ=y
diff --git a/arch/arm/configs/milbeaut_m10v_defconfig b/arch/arm/configs/milbeaut_m10v_defconfig
index 7c07f9893a0f..06967243f74d 100644
--- a/arch/arm/configs/milbeaut_m10v_defconfig
+++ b/arch/arm/configs/milbeaut_m10v_defconfig
@@ -26,7 +26,7 @@ CONFIG_THUMB2_KERNEL=y
# CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11 is not set
# CONFIG_ARM_PATCH_IDIV is not set
CONFIG_HIGHMEM=y
-CONFIG_FORCE_MAX_ZONEORDER=12
+CONFIG_ARCH_FORCE_MAX_ORDER=12
CONFIG_SECCOMP=y
CONFIG_KEXEC=y
CONFIG_EFI=y
diff --git a/arch/arm/configs/oxnas_v6_defconfig b/arch/arm/configs/oxnas_v6_defconfig
index cae0db6b4eaf..df8462272446 100644
--- a/arch/arm/configs/oxnas_v6_defconfig
+++ b/arch/arm/configs/oxnas_v6_defconfig
@@ -17,7 +17,7 @@ CONFIG_MACH_OX820=y
CONFIG_SMP=y
CONFIG_NR_CPUS=16
CONFIG_CMA=y
-CONFIG_FORCE_MAX_ZONEORDER=12
+CONFIG_ARCH_FORCE_MAX_ORDER=12
CONFIG_SECCOMP=y
CONFIG_ARM_APPENDED_DTB=y
CONFIG_ARM_ATAG_DTB_COMPAT=y
diff --git a/arch/arm/configs/sama7_defconfig b/arch/arm/configs/sama7_defconfig
index 938aae4bd80b..f8683b87cb27 100644
--- a/arch/arm/configs/sama7_defconfig
+++ b/arch/arm/configs/sama7_defconfig
@@ -22,7 +22,7 @@ CONFIG_ATMEL_CLOCKSOURCE_TCB=y
# CONFIG_CACHE_L2X0 is not set
# CONFIG_ARM_PATCH_IDIV is not set
# CONFIG_CPU_SW_DOMAIN_PAN is not set
-CONFIG_FORCE_MAX_ZONEORDER=15
+CONFIG_ARCH_FORCE_MAX_ORDER=15
CONFIG_UACCESS_WITH_MEMCPY=y
# CONFIG_ATAGS is not set
CONFIG_CMDLINE="console=ttyS0,115200 earlyprintk ignore_loglevel"
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index b5b13a932561..972d81f6bb2c 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1152,7 +1152,7 @@ config XEN
help
Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64.
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int
default "14" if ARM64_64K_PAGES
default "12" if ARM64_16K_PAGES
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index 2716f6395ba7..0fd2333226b7 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -307,7 +307,7 @@ config HIGHMEM
select KMAP_LOCAL
default y
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
default "11"
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 4993c7ac7ff6..d1bd010ee7a5 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -200,7 +200,7 @@ config IA64_CYCLONE
Say Y here to enable support for IBM EXA Cyclone time source.
If you're unsure, answer N.
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
range 11 17 if !HUGETLB_PAGE
default "17" if HUGETLB_PAGE
diff --git a/arch/ia64/include/asm/sparsemem.h b/arch/ia64/include/asm/sparsemem.h
index 42ed5248fae9..84e8ce387b69 100644
--- a/arch/ia64/include/asm/sparsemem.h
+++ b/arch/ia64/include/asm/sparsemem.h
@@ -11,10 +11,10 @@
#define SECTION_SIZE_BITS (30)
#define MAX_PHYSMEM_BITS (50)
-#ifdef CONFIG_FORCE_MAX_ZONEORDER
-#if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS)
+#ifdef CONFIG_ARCH_FORCE_MAX_ORDER
+#if ((CONFIG_ARCH_FORCE_MAX_ORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS)
#undef SECTION_SIZE_BITS
-#define SECTION_SIZE_BITS (CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT)
+#define SECTION_SIZE_BITS (CONFIG_ARCH_FORCE_MAX_ORDER - 1 + PAGE_SHIFT)
#endif
#endif
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu
index 29e946394fdb..c39157f3dd87 100644
--- a/arch/m68k/Kconfig.cpu
+++ b/arch/m68k/Kconfig.cpu
@@ -408,7 +408,7 @@ config SINGLE_MEMORY_CHUNK
order" to save memory that could be wasted for unused memory map.
Say N if not sure.
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order" if ADVANCED
depends on !SINGLE_MEMORY_CHUNK
default "11"
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 6dfb27d531dd..0998f671ed7e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2284,7 +2284,7 @@ config PAGE_SIZE_64KB
endchoice
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig
index c24955c81c92..e5c300198e1f 100644
--- a/arch/nios2/Kconfig
+++ b/arch/nios2/Kconfig
@@ -50,7 +50,7 @@ menu "Kernel features"
source "kernel/Kconfig.hz"
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
range 9 20
default "11"
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 2e213ec6ec05..5edb48b363c4 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -810,7 +810,7 @@ config DATA_SHIFT
in that case. If PIN_TLB is selected, it must be aligned to 8M as
8M pages will be pinned.
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
range 8 9 if PPC64 && PPC_64K_PAGES
default "9" if PPC64 && PPC_64K_PAGES
diff --git a/arch/powerpc/configs/85xx/ge_imp3a_defconfig b/arch/powerpc/configs/85xx/ge_imp3a_defconfig
index f29c166998af..e7672c186325 100644
--- a/arch/powerpc/configs/85xx/ge_imp3a_defconfig
+++ b/arch/powerpc/configs/85xx/ge_imp3a_defconfig
@@ -30,7 +30,7 @@ CONFIG_PREEMPT=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_BINFMT_MISC=m
CONFIG_MATH_EMULATION=y
-CONFIG_FORCE_MAX_ZONEORDER=17
+CONFIG_ARCH_FORCE_MAX_ORDER=17
CONFIG_PCI=y
CONFIG_PCIEPORTBUS=y
CONFIG_PCI_MSI=y
diff --git a/arch/powerpc/configs/fsl-emb-nonhw.config b/arch/powerpc/configs/fsl-emb-nonhw.config
index df37efed0aec..521e7a530888 100644
--- a/arch/powerpc/configs/fsl-emb-nonhw.config
+++ b/arch/powerpc/configs/fsl-emb-nonhw.config
@@ -41,7 +41,7 @@ CONFIG_FIXED_PHY=y
CONFIG_FONT_8x16=y
CONFIG_FONT_8x8=y
CONFIG_FONTS=y
-CONFIG_FORCE_MAX_ZONEORDER=13
+CONFIG_ARCH_FORCE_MAX_ORDER=13
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAME_WARN=1024
CONFIG_FTL=y
diff --git a/arch/sh/configs/ecovec24_defconfig b/arch/sh/configs/ecovec24_defconfig
index 03cb916819fa..4c09ca308d43 100644
--- a/arch/sh/configs/ecovec24_defconfig
+++ b/arch/sh/configs/ecovec24_defconfig
@@ -8,7 +8,7 @@ CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_CPU_SUBTYPE_SH7724=y
-CONFIG_FORCE_MAX_ZONEORDER=12
+CONFIG_ARCH_FORCE_MAX_ORDER=12
CONFIG_MEMORY_SIZE=0x10000000
CONFIG_FLATMEM_MANUAL=y
CONFIG_SH_ECOVEC=y
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index ba569cfb4368..411fdc0901f7 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -18,7 +18,7 @@ config PAGE_OFFSET
default "0x80000000" if MMU
default "0x00000000"
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
range 9 64 if PAGE_SIZE_16KB
default "9" if PAGE_SIZE_16KB
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index f0c0f955e169..2206c99612ed 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -273,7 +273,7 @@ config ARCH_SPARSEMEM_ENABLE
config ARCH_SPARSEMEM_DEFAULT
def_bool y if SPARC64
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
default "13"
help
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index b843902ad9fd..90784aa68cf8 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -709,7 +709,7 @@ config HIGHMEM
If unsure, say Y.
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
default "11"
help
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index c1d914a72489..98e3297b9e09 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -24,10 +24,10 @@
#include <asm/page.h>
/* Free memory management - zoned buddy allocator. */
-#ifndef CONFIG_FORCE_MAX_ZONEORDER
+#ifndef CONFIG_ARCH_FORCE_MAX_ORDER
#define MAX_ORDER 11
#else
-#define MAX_ORDER CONFIG_FORCE_MAX_ZONEORDER
+#define MAX_ORDER CONFIG_ARCH_FORCE_MAX_ORDER
#endif
#define MAX_ORDER_NR_PAGES (1 << (MAX_ORDER - 1))
--
2.30.2
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