diff options
| author |   Tejun Heo <tj@kernel.org> | 2011-07-14 11:46:03 +0200 |
|---|---|---|
| committer |   H. Peter Anvin <hpa@linux.intel.com> | 2011-07-14 11:47:52 -0700 |
| commit | c378ddd53f9b8832a46fd4fec050a97fc2269858 (patch) | |
| tree | ef90f814ce569ef1cd3b6e64ea403d909f9d2c53 | |
| parent | x86: Use absent_pages_in_range() instead of memblock_x86_hole_size() (diff) | |
| download | linux-dev-c378ddd53f9b8832a46fd4fec050a97fc2269858.tar.xz linux-dev-c378ddd53f9b8832a46fd4fec050a97fc2269858.zip | |
memblock, x86: Make ARCH_DISCARD_MEMBLOCK a config option
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>
Link: http://lkml.kernel.org/r/20110714094603.GH3455@htj.dyndns.org
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| -rw-r--r-- | arch/x86/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/memblock.h | 2 | ||||
| -rw-r--r-- | include/linux/memblock.h | 2 | ||||
| -rw-r--r-- | mm/Kconfig | 3 | ||||
| -rw-r--r-- | mm/memblock.c | 2 |
5 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 97f08941dd79..28116d4f7b64 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 17a882e90ada..bc5667081aea 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 31def584cceb..2491355bb6e4 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 30a5d4792b83..7c5697116fcf 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 c4a8750406fc..ebc6119f1280 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) { |