Hi, A tiny series that can reduce the number of find_alloced_obj() invocations (which perform a linear scan of sub-page) during compaction. Inspired by Alexey Romanov's findings. v2: -- picked up a patch from Minchan Minchan Kim (1): zsmalloc: remove zs_compact_control Sergey Senozhatsky (2): zsmalloc: do not scan for allocated objects in empty zspage zsmalloc: move migration destination zspage inuse check mm/zsmalloc.c | 50 ++++++++++++++++++++------------------------------ 1 file changed, 20 insertions(+), 30 deletions(-) -- 2.41.0.162.gfafddb0af9-goog
