diff options
author | Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> | 2005-09-03 18:54:56 -0400 |
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committer | Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 03:05:45 -0400 |
commit | 4944e76d81801b8e60ed3e7789443f210c16ed65 (patch) | |
tree | d20096acf35b1af03eba1d043e6376a154cae054 /mm/memory.c | |
parent | d44ed4f86892e350f4b16a3489b7e7c1a9bb7ead (diff) |
[PATCH] mm: remove implied vm_ops check
If !vma->vm-ops we already BUG above, so retesting it is useless. The
compiler cannot optimize this because BUG is a macro and is not thus marked
noreturn; that should possibly be fixed.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/memory.c')
-rw-r--r-- | mm/memory.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c index a596c1172248..b25f5e58a14c 100644 --- a/mm/memory.c +++ b/mm/memory.c | |||
@@ -1955,7 +1955,7 @@ static int do_file_page(struct mm_struct * mm, struct vm_area_struct * vma, | |||
1955 | * Fall back to the linear mapping if the fs does not support | 1955 | * Fall back to the linear mapping if the fs does not support |
1956 | * ->populate: | 1956 | * ->populate: |
1957 | */ | 1957 | */ |
1958 | if (!vma->vm_ops || !vma->vm_ops->populate || | 1958 | if (!vma->vm_ops->populate || |
1959 | (write_access && !(vma->vm_flags & VM_SHARED))) { | 1959 | (write_access && !(vma->vm_flags & VM_SHARED))) { |
1960 | pte_clear(mm, address, pte); | 1960 | pte_clear(mm, address, pte); |
1961 | return do_no_page(mm, vma, address, write_access, pte, pmd); | 1961 | return do_no_page(mm, vma, address, write_access, pte, pmd); |