diff options
| author | Mel Gorman <mgorman@techsingularity.net> | 2016-07-29 01:46:11 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-29 02:07:41 +0300 |
| commit | 281e37265f2826ed401d84d6790226448ef3f0e8 (patch) | |
| tree | a29b375b754c242f29082cd9e0df1a48c8109ac2 /include | |
| parent | 1e6b10857f91685c60c341703ece4ae9bb775cf3 (diff) | |
| download | linux-281e37265f2826ed401d84d6790226448ef3f0e8.tar.xz | |
mm, page_alloc: consider dirtyable memory in terms of nodes
Historically dirty pages were spread among zones but now that LRUs are
per-node it is more appropriate to consider dirty pages in a node.
Link: http://lkml.kernel.org/r/1467970510-21195-17-git-send-email-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmzone.h | 12 | ||||
| -rw-r--r-- | include/linux/writeback.h | 2 |
2 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 62f477d6cfe8..fae2fe3c6942 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -363,12 +363,6 @@ struct zone { struct pglist_data *zone_pgdat; struct per_cpu_pageset __percpu *pageset; - /* - * This is a per-zone reserve of pages that are not available - * to userspace allocations. - */ - unsigned long totalreserve_pages; - #ifndef CONFIG_SPARSEMEM /* * Flags for a pageblock_nr_pages block. See pageblock-flags.h. @@ -687,6 +681,12 @@ typedef struct pglist_data { /* Number of pages migrated during the rate limiting time interval */ unsigned long numabalancing_migrate_nr_pages; #endif + /* + * This is a per-node reserve of pages that are not available + * to userspace allocations. + */ + unsigned long totalreserve_pages; + /* Write-intensive fields used by page reclaim */ ZONE_PADDING(_pad1_) spinlock_t lru_lock; diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 717e6149e753..fc1e16c25a29 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -320,7 +320,7 @@ void laptop_mode_timer_fn(unsigned long data); static inline void laptop_sync_completion(void) { } #endif void throttle_vm_writeout(gfp_t gfp_mask); -bool zone_dirty_ok(struct zone *zone); +bool node_dirty_ok(struct pglist_data *pgdat); int wb_domain_init(struct wb_domain *dom, gfp_t gfp); #ifdef CONFIG_CGROUP_WRITEBACK void wb_domain_exit(struct wb_domain *dom); |