diff options
Diffstat (limited to 'arch/x86_64/mm/init.c')
| -rw-r--r-- | arch/x86_64/mm/init.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index 51fbf3eddf1..95bd232ff0c 100644 --- 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)); |