diff options
| author |   Miaohe Lin <linmiaohe@huawei.com> | 2021-05-04 18:33:49 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-05-05 11:27:20 -0700 |
| commit | 8fd5eda4c7268b62f46b2ed76b96f9e41e128a47 (patch) | |
| tree | f11de032851597b7629f134a15311b5f6170a436 /mm/huge_memory.c | |
| parent | khugepaged: fix wrong result value for trace_mm_collapse_huge_page_isolate() (diff) | |
| download | wireguard-linux-8fd5eda4c7268b62f46b2ed76b96f9e41e128a47.tar.xz wireguard-linux-8fd5eda4c7268b62f46b2ed76b96f9e41e128a47.zip | |
mm/huge_memory.c: remove unnecessary local variable ret2
There is no need to use a new local variable ret2 to get the return
value of handle_userfault(). Use ret directly to make code more
succinct.
Link: https://lkml.kernel.org/r/20210210072409.60587-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index ae907a9c2050..bff92dea5ab3 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -624,14 +624,12 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf, /* Deliver the page fault to userland */ if (userfaultfd_missing(vma)) { - vm_fault_t ret2; - spin_unlock(vmf->ptl); put_page(page); pte_free(vma->vm_mm, pgtable); - ret2 = handle_userfault(vmf, VM_UFFD_MISSING); - VM_BUG_ON(ret2 & VM_FAULT_FALLBACK); - return ret2; + ret = handle_userfault(vmf, VM_UFFD_MISSING); + VM_BUG_ON(ret & VM_FAULT_FALLBACK); + return ret; } entry = mk_huge_pmd(page, vma->vm_page_prot); |