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mm/gup: Replace ACCESS_ONCE with READ_ONCE
[firefly-linux-kernel-4.4.55.git]
/
mm
/
gup.c
diff --git
a/mm/gup.c
b/mm/gup.c
index a900759cc8075fc8b0da9a37ebf6f93de34d8d10..bed30efad77cde82edc22af7bb21b51fa88e88d3 100644
(file)
--- a/
mm/gup.c
+++ b/
mm/gup.c
@@
-926,7
+926,7
@@
static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end,
pmdp = pmd_offset(&pud, addr);
do {
- pmd_t pmd =
ACCESS
_ONCE(*pmdp);
+ pmd_t pmd =
READ
_ONCE(*pmdp);
next = pmd_addr_end(addr, end);
if (pmd_none(pmd) || pmd_trans_splitting(pmd))