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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-10-13 17:13:56 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-10-13 17:13:56 +0100
commite758936e02700ff88a0b08b722a3847b95283ef2 (patch)
tree50c919bef1b459a778b85159d5929de95b6c4a01 /arch/sparc/mm/init.c
parent239cfbde1f5843c4a24199f117d5f67f637d72d5 (diff)
parent4480f15b3306f43bbb0310d461142b4e897ca45b (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: include/asm-x86/statfs.h
Diffstat (limited to 'arch/sparc/mm/init.c')
-rw-r--r--arch/sparc/mm/init.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/sparc/mm/init.c b/arch/sparc/mm/init.c
index e103f1bb377..677c1e187a2 100644
--- a/arch/sparc/mm/init.c
+++ b/arch/sparc/mm/init.c
@@ -23,6 +23,7 @@
#include <linux/highmem.h>
#include <linux/bootmem.h>
#include <linux/pagemap.h>
+#include <linux/poison.h>
#include <asm/system.h>
#include <asm/vac-ops.h>
@@ -480,6 +481,7 @@ void free_initmem (void)
for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
struct page *p;
+ memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
p = virt_to_page(addr);
ClearPageReserved(p);
@@ -488,20 +490,26 @@ void free_initmem (void)
totalram_pages++;
num_physpages++;
}
- printk (KERN_INFO "Freeing unused kernel memory: %dk freed\n", (&__init_end - &__init_begin) >> 10);
+ printk(KERN_INFO "Freeing unused kernel memory: %dk freed\n",
+ (&__init_end - &__init_begin) >> 10);
}
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
if (start < end)
- printk (KERN_INFO "Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
+ printk(KERN_INFO "Freeing initrd memory: %ldk freed\n",
+ (end - start) >> 10);
for (; start < end; start += PAGE_SIZE) {
- struct page *p = virt_to_page(start);
+ struct page *p;
+
+ memset((void *)start, POISON_FREE_INITMEM, PAGE_SIZE);
+ p = virt_to_page(start);
ClearPageReserved(p);
init_page_count(p);
__free_page(p);
+ totalram_pages++;
num_physpages++;
}
}