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-rw-r--r--crypto/xor.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/crypto/xor.c b/crypto/xor.c
index 996b6ee57d9e..fc5b836f3430 100644
--- a/crypto/xor.c
+++ b/crypto/xor.c
@@ -101,7 +101,12 @@ calibrate_xor_blocks(void)
void *b1, *b2;
struct xor_block_template *f, *fastest;
- b1 = (void *) __get_free_pages(GFP_KERNEL, 2);
+ /*
+ * Note: Since the memory is not actually used for _anything_ but to
+ * test the XOR speed, we don't really want kmemcheck to warn about
+ * reading uninitialized bytes here.
+ */
+ b1 = (void *) __get_free_pages(GFP_KERNEL | __GFP_NOTRACK, 2);
if (!b1) {
printk(KERN_WARNING "xor: Yikes! No memory available.\n");
return -ENOMEM;