From: Ma Wupeng <mawupeng1@xxxxxxxxxx> The first patch cap zone movable's min watermark to small value since no one can use it. The second patch introduce a per zone watermark to replace the vanilla watermark_scale_factor to bring flexibility to tune each zone's watermark separately and lead to more efficient kswapd. Each patch's detail information can be seen is its own changelog. changelog since v2: - add comment in __setup_per_zone_wmarks changelog since v1: - fix compile error if CONFIG_SYSCTL is not enabled - remove useless function comment Ma Wupeng (2): mm: Cap zone movable's min wmark to small value mm: sysctl: Introduce per zone watermark_scale_factor Documentation/admin-guide/sysctl/vm.rst | 6 +++ include/linux/mm.h | 2 +- kernel/sysctl.c | 2 - mm/page_alloc.c | 49 ++++++++++++++++++------- 4 files changed, 43 insertions(+), 16 deletions(-) -- 2.25.1
