When tried to review below patchset from Joonsoo, I found out there's some space to improve about lowmem_reserve and /proc/zoneinfo printing. So made this patchset to do it. [PATCH v3 0/2] integrate classzone_idx and high_zoneidx http://lkml.kernel.org/r/1584693135-4396-1-git-send-email-iamjoonsoo.kim@xxxxxxx Baoquan He (5): mm/page_alloc.c: only tune sysctl_lowmem_reserve_ratio value once when changing it mm/page_alloc.c: clear out zone->lowmem_reserve[] if the zone is empty mm/vmstat.c: do not show lowmem reserve protection information of empty zone mm/vmstat.c: move the per-node stats to the front of /proc/zoneinfo mm/vmstat.c: remove the useless code mm/page_alloc.c | 13 +++++++++++-- mm/vmstat.c | 44 +++++++++++++++++--------------------------- 2 files changed, 28 insertions(+), 29 deletions(-) -- 2.17.2
