[PATCH] add poison.h and patch primary users

[linux-2.6-block.git] / arch / x86_64 / mm / init.c

diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 51fbf3eddf1357bec19b546c6d39c6aa3013b571..95bd232ff0cf3d37fc3b5838e0b477666115aebb 100644 (file)
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -23,6 +23,7 @@
 #include <linux/bootmem.h>
 #include <linux/proc_fs.h>
 #include <linux/pci.h>
+#include <linux/poison.h>
 #include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/memory_hotplug.h>
@@ -660,7 +661,8 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
        for (addr = begin; addr < end; addr += PAGE_SIZE) {
                ClearPageReserved(virt_to_page(addr));
                init_page_count(virt_to_page(addr));
-               memset((void *)(addr & ~(PAGE_SIZE-1)), 0xcc, PAGE_SIZE); 
+               memset((void *)(addr & ~(PAGE_SIZE-1)),
+                       POISON_FREE_INITMEM, PAGE_SIZE);
                free_page(addr);
                totalram_pages++;
        }
@@ -668,7 +670,8 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
 
 void free_initmem(void)
 {
-       memset(__initdata_begin, 0xba, __initdata_end - __initdata_begin);
+       memset(__initdata_begin, POISON_FREE_INITDATA,
+               __initdata_end - __initdata_begin);
        free_init_pages("unused kernel memory",
                        (unsigned long)(&__init_begin),
                        (unsigned long)(&__init_end));