#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/mm.h>
+#include <linux/mmdebug.h>
#include <linux/highmem.h>
#include <linux/page_ext.h>
#include <linux/poison.h>
return error && !(error & (error - 1));
}
-static void check_poison_mem(unsigned char *mem, size_t bytes)
+static void check_poison_mem(struct page *page, unsigned char *mem, size_t bytes)
{
static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 10);
unsigned char *start;
print_hex_dump(KERN_ERR, "", DUMP_PREFIX_ADDRESS, 16, 1, start,
end - start + 1, 1);
dump_stack();
+ dump_page(page, "pagealloc: corrupted page details");
}
static void unpoison_page(struct page *page)
* that is freed to buddy. Thus no extra check is done to
* see if a page was poisoned.
*/
- check_poison_mem(kasan_reset_tag(addr), PAGE_SIZE);
+ check_poison_mem(page, kasan_reset_tag(addr), PAGE_SIZE);
kasan_enable_current();
kunmap_atomic(addr);
}