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-rw-r--r--mm/madvise.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index e808dbeb27f3..bcdb6a042787 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1059,9 +1059,9 @@ SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior)
if (!madvise_behavior_valid(behavior))
return error;
- if (start & ~PAGE_MASK)
+ if (!PAGE_ALIGNED(start))
return error;
- len = (len_in + ~PAGE_MASK) & PAGE_MASK;
+ len = PAGE_ALIGN(len_in);
/* Check to see whether len was rounded up from small -ve to zero */
if (len_in && !len)