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mm: create promo_wmark_pages and clean up open-coded sites

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Patch series "mm: print the promo watermark in zoneinfo", v2.


This patch (of 2):

Define promo_wmark_pages and convert current call sites of wmark_pages
with fixed WMARK_PROMO to using it instead.

Link: https://lkml.kernel.org/r/20240801232548.36604-1-kaiyang2@cs.cmu.edu
Link: https://lkml.kernel.org/r/20240801232548.36604-2-kaiyang2@cs.cmu.edu
Signed-off-by: Kaiyang Zhao <kaiyang2@cs.cmu.edu>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kaiyang Zhao 2024-08-01 23:25:47 +00:00 committed by Andrew Morton
parent 6d192303e8
commit 03790c51a4
3 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/linux/mmzone.h
View File

@ -669,6 +669,7 @@ enum zone_watermarks {
#define min_wmark_pages(z) (z->_watermark[WMARK_MIN] + z->watermark_boost)
#define low_wmark_pages(z) (z->_watermark[WMARK_LOW] + z->watermark_boost)
#define high_wmark_pages(z) (z->_watermark[WMARK_HIGH] + z->watermark_boost)
#define promo_wmark_pages(z) (z->_watermark[WMARK_PROMO] + z->watermark_boost)
#define wmark_pages(z, i) (z->_watermark[i] + z->watermark_boost)
/*

2
kernel/sched/fair.c
View File

@ -1742,7 +1742,7 @@ static bool pgdat_free_space_enough(struct pglist_data *pgdat)
continue;
if (zone_watermark_ok(zone, 0,
wmark_pages(zone, WMARK_PROMO) + enough_wmark,
promo_wmark_pages(zone) + enough_wmark,
ZONE_MOVABLE, 0))
return true;
}

2
mm/vmscan.c
View File

@ -6669,7 +6669,7 @@ static bool pgdat_balanced(pg_data_t *pgdat, int order, int highest_zoneidx)
continue;
if (sysctl_numa_balancing_mode & NUMA_BALANCING_MEMORY_TIERING)
mark = wmark_pages(zone, WMARK_PROMO);
mark = promo_wmark_pages(zone);
else
mark = high_wmark_pages(zone);
if (zone_watermark_ok_safe(zone, order, mark, highest_zoneidx))