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[PATCH] hugetlb: move stale pte check into huge_pte_alloc()
[firefly-linux-kernel-4.4.55.git]
/
mm
/
hugetlb.c
diff --git
a/mm/hugetlb.c
b/mm/hugetlb.c
index 6bf720bc662c41983c1208e2aef409d4e0a276ac..901ac523a1c39fc17cc15d626ffb9cc8aa7f083d 100644
(file)
--- a/
mm/hugetlb.c
+++ b/
mm/hugetlb.c
@@
-360,8
+360,6
@@
int hugetlb_prefault(struct address_space *mapping, struct vm_area_struct *vma)
ret = -ENOMEM;
goto out;
}
- if (! pte_none(*pte))
- hugetlb_clean_stale_pgtable(pte);
idx = ((addr - vma->vm_start) >> HPAGE_SHIFT)
+ (vma->vm_pgoff >> (HPAGE_SHIFT - PAGE_SHIFT));