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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-03-02 20:12:54 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-03-02 20:12:54 -0800
commit17b02809cfa77abcab155ce3afbb1467e7f0744f (patch)
tree4bb7b08fa29e73fb29a8e56fec766643b1eaa82e /mm/memory.c
parent9cd02bd876d3b1a5a93f0c9376f578bde03a6b26 (diff)
parent0414855fdc4a40da05221fc6062cccbc0c30f169 (diff)
downloadop-kernel-dev-17b02809cfa77abcab155ce3afbb1467e7f0744f.zip
op-kernel-dev-17b02809cfa77abcab155ce3afbb1467e7f0744f.tar.gz
Merge 3.14-rc5 into staging-next
We want those fixes in here
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/mm/memory.c b/mm/memory.c
index be6a0c0..22dfa61 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3348,6 +3348,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
if (ret & VM_FAULT_LOCKED)
unlock_page(vmf.page);
ret = VM_FAULT_HWPOISON;
+ page_cache_release(vmf.page);
goto uncharge_out;
}
@@ -3703,7 +3704,6 @@ static int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
if (unlikely(is_vm_hugetlb_page(vma)))
return hugetlb_fault(mm, vma, address, flags);
-retry:
pgd = pgd_offset(mm, address);
pud = pud_alloc(mm, pgd, address);
if (!pud)
@@ -3741,20 +3741,13 @@ retry:
if (dirty && !pmd_write(orig_pmd)) {
ret = do_huge_pmd_wp_page(mm, vma, address, pmd,
orig_pmd);
- /*
- * If COW results in an oom, the huge pmd will
- * have been split, so retry the fault on the
- * pte for a smaller charge.
- */
- if (unlikely(ret & VM_FAULT_OOM))
- goto retry;
- return ret;
+ if (!(ret & VM_FAULT_FALLBACK))
+ return ret;
} else {
huge_pmd_set_accessed(mm, vma, address, pmd,
orig_pmd, dirty);
+ return 0;
}
-
- return 0;
}
}
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