On Sat, Mar 04, 2023 at 12:48:31PM +0900, Sergey Senozhatsky wrote: > Hi, > > Existing zsmalloc page fullness grouping leads to suboptimal page > selection for both zs_malloc() and zs_compact(). This patchset > reworks zsmalloc fullness grouping/classification. > > Additinally it also implements new compaction algorithm that is > expected to use less CPU-cycles (as it potentially does fewer > memcpy-s in zs_object_copy()). > > Test (synthetic) results can be seen in patch 0003. > > v4: > -- fixed classes stats loop bug (Yosry) > -- fixed spelling errors (Andrew) > -- dropped some unnecessary hunks from the patches > > v3: > -- reworked compaction algorithm implementation (Minchan) > -- keep existing stats and fullness enums (Minchan, Yosry) > -- dropped the patch with new zsmalloc compaction stats (Minchan) > -- report per inuse ratio group classes stats > > Sergey Senozhatsky (4): > zsmalloc: remove insert_zspage() ->inuse optimization > zsmalloc: fine-grained inuse ratio based fullness grouping > zsmalloc: rework compaction algorithm > zsmalloc: show per fullness group class stats > > mm/zsmalloc.c | 358 ++++++++++++++++++++++++-------------------------- > 1 file changed, 173 insertions(+), 185 deletions(-) > > -- Acked-by: Minchan Kim <minchan@xxxxxxxxxx> Thanks, Sergey!
