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mm: move zone watermark accesses behind an accessor

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This is a preparation patch only, no functional change.

Link: http://lkml.kernel.org/r/20181123114528.28802-3-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Zi Yan <zi.yan@cs.rutgers.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mel Gorman
2018-12-28 00:35:44 -08:00
committed by Linus Torvalds
parent 6bb154504f
commit a921444382
3 changed files with 12 additions and 11 deletions
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9
include/linux/mmzone.h
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@@ -269,9 +269,10 @@ enum zone_watermarks {
NR_WMARK
};
#define min_wmark_pages(z) (z->watermark[WMARK_MIN])
#define low_wmark_pages(z) (z->watermark[WMARK_LOW])
#define high_wmark_pages(z) (z->watermark[WMARK_HIGH])
#define min_wmark_pages(z) (z->_watermark[WMARK_MIN])
#define low_wmark_pages(z) (z->_watermark[WMARK_LOW])
#define high_wmark_pages(z) (z->_watermark[WMARK_HIGH])
#define wmark_pages(z, i) (z->_watermark[i])
struct per_cpu_pages {
int count; /* number of pages in the list */
@@ -362,7 +363,7 @@ struct zone {
/* Read-mostly fields */
/* zone watermarks, access with *_wmark_pages(zone) macros */
unsigned long watermark[NR_WMARK];
unsigned long _watermark[NR_WMARK];
unsigned long nr_reserved_highatomic;