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mm, meminit: ensure node is online before checking whether pages are uninitialised
[firefly-linux-kernel-4.4.55.git]
/
mm
/
msync.c
diff --git
a/mm/msync.c
b/mm/msync.c
index bb04d53ae8529597d3b0ca6636c49d5243762875..24e612fefa04dc13eae85af00164d674c0b91940 100644
(file)
--- a/
mm/msync.c
+++ b/
mm/msync.c
@@
-38,7
+38,7
@@
SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
if (flags & ~(MS_ASYNC | MS_INVALIDATE | MS_SYNC))
goto out;
- if (
start & ~PAGE_MASK
)
+ if (
offset_in_page(start)
)
goto out;
if ((flags & MS_ASYNC) && (flags & MS_SYNC))
goto out;