diff options
| author | Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> | 2015-02-11 15:27:34 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-11 17:06:05 -0800 |
| commit | 0b1fbfe50006c41014cc25660c0e735d21c34939 (patch) | |
| tree | 14c4d882894fdb12dbe7f0f34d01e595aa2b2fba /mm/frontswap.c | |
| parent | 05fbf357d94152171bc50f8a369390f1f16efd89 (diff) | |
| download | blackbird-op-linux-0b1fbfe50006c41014cc25660c0e735d21c34939.tar.gz blackbird-op-linux-0b1fbfe50006c41014cc25660c0e735d21c34939.zip | |
mm/pagewalk: remove pgd_entry() and pud_entry()
Currently no user of page table walker sets ->pgd_entry() or
->pud_entry(), so checking their existence in each loop is just wasting
CPU cycle. So let's remove it to reduce overhead.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/frontswap.c')
0 files changed, 0 insertions, 0 deletions
