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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-10-23 22:10:51 +0900 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-10-23 22:10:51 +0900 |
| commit | 9f30931a5482d66710210dafe9b4f2cc92320540 (patch) | |
| tree | 1b3405d12a1b197d73473ea77c8fb712a632f55c /mm/huge_memory.c | |
| parent | a2c01ed5d46f0686c52272e09f7d2f5be9f573fd (diff) | |
| parent | b67de018b37a97548645a879c627d4188518e907 (diff) | |
Merge branch 'akpm' (patches from Andrew)
Merge fixes from Andrew Morton:
"9 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
ocfs2/dlm: unlock lockres spinlock before dlm_lockres_put
fault-inject: fix inverted interval/probability values in printk
lib/Kconfig.debug: disable -Wframe-larger-than warnings with KASAN=y
mm: make sendfile(2) killable
thp: use is_zero_pfn() only after pte_present() check
mailmap: update Javier Martinez Canillas' email
MAINTAINERS: add Sergey as zsmalloc reviewer
mm: cma: fix incorrect type conversion for size during dma allocation
kmod: don't run async usermode helper as a child of kworker thread
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 4b06b8db9df2..bbac913f96bc 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2206,7 +2206,8 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma, for (_pte = pte; _pte < pte+HPAGE_PMD_NR; _pte++, address += PAGE_SIZE) { pte_t pteval = *_pte; - if (pte_none(pteval) || is_zero_pfn(pte_pfn(pteval))) { + if (pte_none(pteval) || (pte_present(pteval) && + is_zero_pfn(pte_pfn(pteval)))) { if (!userfaultfd_armed(vma) && ++none_or_zero <= khugepaged_max_ptes_none) continue; |