diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-03-11 11:34:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-03-11 11:34:27 +0100 |
| commit | a02ed5e3e05ec5e8af21e645cccc77f3a6480aaf (patch) | |
| tree | 95a0df31b0c9b1e0357b8dd378e2eab637970df4 /mm/huge_memory.c | |
| parent | 2b3942e4bb20ef8ef26515bd958c2df83d9a6210 (diff) | |
| parent | 96b3d28bf4b00f62fc8386ff5d487d1830793a3d (diff) | |
| download | linux-a02ed5e3e05ec5e8af21e645cccc77f3a6480aaf.tar.bz2 | |
Merge branch 'sched/urgent' into sched/core
Pick up fixes before queueing up new changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index da23eb96779f..1546655a2d78 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1166,8 +1166,10 @@ alloc: } else { ret = do_huge_pmd_wp_page_fallback(mm, vma, address, pmd, orig_pmd, page, haddr); - if (ret & VM_FAULT_OOM) + if (ret & VM_FAULT_OOM) { split_huge_page(page); + ret |= VM_FAULT_FALLBACK; + } put_page(page); } count_vm_event(THP_FAULT_FALLBACK); @@ -1179,9 +1181,10 @@ alloc: if (page) { split_huge_page(page); put_page(page); - } + } else + split_huge_page_pmd(vma, address, pmd); + ret |= VM_FAULT_FALLBACK; count_vm_event(THP_FAULT_FALLBACK); - ret |= VM_FAULT_OOM; goto out; } @@ -1958,7 +1961,7 @@ out: return ret; } -#define VM_NO_THP (VM_SPECIAL|VM_MIXEDMAP|VM_HUGETLB|VM_SHARED|VM_MAYSHARE) +#define VM_NO_THP (VM_SPECIAL | VM_HUGETLB | VM_SHARED | VM_MAYSHARE) int hugepage_madvise(struct vm_area_struct *vma, unsigned long *vm_flags, int advice) |