[PATCH v2 0/4] Bitmap optimisations

[Matthew Wilcox]

From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>

These three bitmap patches use more efficient specialisations when the
compiler can figure out that it's safe to do so.  Thanks to Rasmus'
eagle eyes, a nasty bug in v1 was avoided, and I've added a test case
which would have caught it.

Matthew Wilcox (4):
  test_bitmap: Add optimisation tests
  bitmap: Optimise bitmap_set and bitmap_clear of a single bit
  Turn bitmap_set and bitmap_clear into memset when possible
  bitmap: Use memcmp optimisation in more situations

 include/linux/bitmap.h | 33 +++++++++++++++++++++++++++------
 lib/bitmap.c           |  8 ++++----
 lib/test_bitmap.c      | 29 +++++++++++++++++++++++++++++
 3 files changed, 60 insertions(+), 10 deletions(-)

-- 
2.11.0