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powerpc: gup_hugepte() avoid freeing the head page too many times
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
arch
/
powerpc
/
mm
/
hugetlbpage.c
diff --git
a/arch/powerpc/mm/hugetlbpage.c
b/arch/powerpc/mm/hugetlbpage.c
index
b649c28
..
78b14ab
100644
(file)
--- a/
arch/powerpc/mm/hugetlbpage.c
+++ b/
arch/powerpc/mm/hugetlbpage.c
@@
-428,10
+428,9
@@
static noinline int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long add
if (unlikely(pte_val(pte) != pte_val(*ptep))) {
/* Could be optimized better */
- while (*nr) {
+ *nr -= refs;
+ while (refs--)
put_page(head);
- (*nr)--;
- }
}
return 1;