[PATCH UPDATED 12/13] memblock, x86: Make ARCH_DISCARD_MEMBLOCK a config option
From: Tejun Heo <tj@kernel.org>
Date: 2011-07-14 09:46:10
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lkml
Subsystem:
memblock and memory management initialization, memory management, memory management - core, the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Mike Rapoport, Andrew Morton, David Hildenbrand, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
From 6839454ae63f1eb21e515c10229ca95c22955fec Mon Sep 17 00:00:00 2001 From: Tejun Heo <tj@kernel.org> Date: Thu, 14 Jul 2011 11:22:17 +0200 Make ARCH_DISCARD_MEMBLOCK a config option so that it can be handled together with other MEMBLOCK options. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Thomas Gleixner <redacted> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> --- Nothing really changed. Just patch context update to resolve conflict from updates earlier in the series. Thanks. arch/x86/Kconfig | 1 + arch/x86/include/asm/memblock.h | 2 -- include/linux/memblock.h | 2 +- mm/Kconfig | 3 +++ mm/memblock.c | 2 +- 5 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 97f0894..28116d4 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig@@ -26,6 +26,7 @@ config X86 select HAVE_KPROBES select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP + select ARCH_DISCARD_MEMBLOCK select ARCH_WANT_OPTIONAL_GPIOLIB select ARCH_WANT_FRAME_POINTERS select HAVE_DMA_ATTRS
diff --git a/arch/x86/include/asm/memblock.h b/arch/x86/include/asm/memblock.h
index 17a882e..bc56670 100644
--- a/arch/x86/include/asm/memblock.h
+++ b/arch/x86/include/asm/memblock.h@@ -1,8 +1,6 @@ #ifndef _X86_MEMBLOCK_H #define _X86_MEMBLOCK_H -#define ARCH_DISCARD_MEMBLOCK - void memblock_x86_reserve_range(u64 start, u64 end, char *name); void memblock_x86_free_range(u64 start, u64 end);
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 31def58..2491355 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h@@ -197,7 +197,7 @@ static inline unsigned long memblock_region_reserved_end_pfn(const struct memblo region++) -#ifdef ARCH_DISCARD_MEMBLOCK +#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK #define __init_memblock __meminit #define __initdata_memblock __meminitdata #else
diff --git a/mm/Kconfig b/mm/Kconfig
index 30a5d47..7c56971 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig@@ -134,6 +134,9 @@ config HAVE_MEMBLOCK config HAVE_MEMBLOCK_NODE_MAP boolean +config ARCH_DISCARD_MEMBLOCK + boolean + # eventually, we can have this option just 'select SPARSEMEM' config MEMORY_HOTPLUG bool "Allow for memory hot-add"
diff --git a/mm/memblock.c b/mm/memblock.c
index c4a8750..ebc6119 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c@@ -959,7 +959,7 @@ static int __init early_memblock(char *p) } early_param("memblock", early_memblock); -#if defined(CONFIG_DEBUG_FS) && !defined(ARCH_DISCARD_MEMBLOCK) +#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_ARCH_DISCARD_MEMBLOCK) static int memblock_debug_show(struct seq_file *m, void *private) {
--
1.7.6