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>
mariux64 · Jul 14, 2011 · c378ddd · c378ddd
1 parent 474b881
commit c378ddd
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Showing 5 changed files with 6 additions and 4 deletions.
diff --git 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
@@ -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
@@ -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
@@ -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
@@ -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)
 {