> On Aug 19, 2020, at 12:48 PM, Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> wrote: > > This patch seris started out as part of the THP patch set, but it has > some nice effects along the way and it seems worth splitting it out and > submitting separately. > > Currently find_get_entry() and find_lock_entry() return the page > corresponding to the requested index, but the first thing most callers do > is find the head page, which we just threw away. As part of auditing > all the callers, I found some misuses of the APIs and some plain > inefficiencies that I've fixed. > > The diffstat is unflattering, but I added more kernel-doc. > > Matthew Wilcox (Oracle) (8): > mm: Factor find_get_swap_page out of mincore_page > mm: Use find_get_swap_page in memcontrol > mm: Optimise madvise WILLNEED > proc: Optimise smaps for shmem entries > i915: Use find_lock_page instead of find_lock_entry > mm: Convert find_get_entry to return the head page > mm: Return head page from find_lock_entry > mm: Hoist find_subpage call further up in pagecache_get_page > > drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 4 +-- > fs/proc/task_mmu.c | 8 +---- > include/linux/pagemap.h | 16 +++++++-- > include/linux/swap.h | 7 ++++ > mm/filemap.c | 41 +++++++++++------------ > mm/madvise.c | 21 +++++++----- > mm/memcontrol.c | 25 ++------------ > mm/mincore.c | 28 ++-------------- > mm/shmem.c | 15 +++++---- > mm/swap_state.c | 31 +++++++++++++++++ > 10 files changed, 98 insertions(+), 98 deletions(-) For the series: Reviewed-by: William Kucharski <william.kucharski@xxxxxxxxxx>
