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authorTejun Heo <tj@kernel.org>2011-07-14 13:46:03 +0400
committerH. Peter Anvin <hpa@linux.intel.com>2011-07-14 22:47:52 +0400
commitc378ddd53f9b8832a46fd4fec050a97fc2269858 (patch)
treeef90f814ce569ef1cd3b6e64ea403d909f9d2c53
parent474b881bf4ee86aba55d46a4fdf293de32cba91b (diff)
downloadlinux-c378ddd53f9b8832a46fd4fec050a97fc2269858.tar.xz
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/Kconfig1
-rw-r--r--arch/x86/include/asm/memblock.h2
-rw-r--r--include/linux/memblock.h2
-rw-r--r--mm/Kconfig3
-rw-r--r--mm/memblock.c2
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)
{