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authorRandy Dunlap <rdunlap@xenotime.net>2006-06-27 05:53:52 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-27 20:32:38 -0400
commitc9cf55285e87ac423c45d9efca750d3f50234d10 (patch)
treed46f3e90fbb38115c25b3315f6280ad65f83a14f /arch/powerpc/mm
parente6e5494cb23d1933735ee47cc674ffe1c4afed6f (diff)
[PATCH] add poison.h and patch primary users
Localize poison values into one header file for better documentation and easier/quicker debugging and so that the same values won't be used for multiple purposes. Use these constants in core arch., mm, driver, and fs code. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Matt Mackall <mpm@selenic.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/init_64.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 9e30f968c184..d454caada265 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -41,6 +41,7 @@
41#include <linux/idr.h> 41#include <linux/idr.h>
42#include <linux/nodemask.h> 42#include <linux/nodemask.h>
43#include <linux/module.h> 43#include <linux/module.h>
44#include <linux/poison.h>
44 45
45#include <asm/pgalloc.h> 46#include <asm/pgalloc.h>
46#include <asm/page.h> 47#include <asm/page.h>
@@ -90,7 +91,7 @@ void free_initmem(void)
90 91
91 addr = (unsigned long)__init_begin; 92 addr = (unsigned long)__init_begin;
92 for (; addr < (unsigned long)__init_end; addr += PAGE_SIZE) { 93 for (; addr < (unsigned long)__init_end; addr += PAGE_SIZE) {
93 memset((void *)addr, 0xcc, PAGE_SIZE); 94 memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
94 ClearPageReserved(virt_to_page(addr)); 95 ClearPageReserved(virt_to_page(addr));
95 init_page_count(virt_to_page(addr)); 96 init_page_count(virt_to_page(addr));
96 free_page(addr); 97 free_page(addr);