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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-15 02:49:17 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-15 02:49:17 +0300 |
| commit | 1dcf58d6e6e6eb7ec10e9abc56887b040205b06f (patch) | |
| tree | c03e7a25ef13eea62f1547914a76e5c68f3f4c28 /mm/hugetlb.c | |
| parent | 80dcc31fbe55932ac9204daee5f2ebc0c49b6da3 (diff) | |
| parent | e4b0db72be2487bae0e3251c22f82c104f7c1cfd (diff) | |
| download | linux-1dcf58d6e6e6eb7ec10e9abc56887b040205b06f.tar.xz | |
Merge branch 'akpm' (patches from Andrew)
Merge first patchbomb from Andrew Morton:
- arch/sh updates
- ocfs2 updates
- kernel/watchdog feature
- about half of mm/
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (122 commits)
Documentation: update arch list in the 'memtest' entry
Kconfig: memtest: update number of test patterns up to 17
arm: add support for memtest
arm64: add support for memtest
memtest: use phys_addr_t for physical addresses
mm: move memtest under mm
mm, hugetlb: abort __get_user_pages if current has been oom killed
mm, mempool: do not allow atomic resizing
memcg: print cgroup information when system panics due to panic_on_oom
mm: numa: remove migrate_ratelimited
mm: fold arch_randomize_brk into ARCH_HAS_ELF_RANDOMIZE
mm: split ET_DYN ASLR from mmap ASLR
s390: redefine randomize_et_dyn for ELF_ET_DYN_BASE
mm: expose arch_mmap_rnd when available
s390: standardize mmap_rnd() usage
powerpc: standardize mmap_rnd() usage
mips: extract logic for mmap_rnd()
arm64: standardize mmap_rnd() usage
x86: standardize mmap_rnd() usage
arm: factor out mmap ASLR into mmap_rnd
...
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index c41b2a0ee273..8874c8ad55aa 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3278,6 +3278,15 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, struct page *page; /* + * If we have a pending SIGKILL, don't keep faulting pages and + * potentially allocating memory. + */ + if (unlikely(fatal_signal_pending(current))) { + remainder = 0; + break; + } + + /* * Some archs (sparc64, sh*) have multiple pte_ts to * each hugepage. We have to make sure we get the * first, for the page indexing below to work. @@ -3735,8 +3744,7 @@ retry: if (!pmd_huge(*pmd)) goto out; if (pmd_present(*pmd)) { - page = pte_page(*(pte_t *)pmd) + - ((address & ~PMD_MASK) >> PAGE_SHIFT); + page = pmd_page(*pmd) + ((address & ~PMD_MASK) >> PAGE_SHIFT); if (flags & FOLL_GET) get_page(page); } else { |