memblock, x86: Make ARCH_DISCARD_MEMBLOCK a config option
authorTejun Heo <tj@kernel.org>
Thu, 14 Jul 2011 09:46:03 +0000 (11:46 +0200)
committerH. Peter Anvin <hpa@linux.intel.com>
Thu, 14 Jul 2011 18:47:52 +0000 (11:47 -0700)
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>
arch/x86/Kconfig
arch/x86/include/asm/memblock.h
include/linux/memblock.h
mm/Kconfig
mm/memblock.c

index 97f0894..28116d4 100644 (file)
@@ -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
index 17a882e..bc56670 100644 (file)
@@ -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);
 
index 31def58..2491355 100644 (file)
@@ -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
index 30a5d47..7c56971 100644 (file)
@@ -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"
index c4a8750..ebc6119 100644 (file)
@@ -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)
 {