diff options
| author | Johannes Weiner <hannes@cmpxchg.org> | 2016-01-14 15:20:15 -0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-11-29 15:25:03 +0800 |
| commit | aaaf9e59c00aa2ff9c2bd1da05c0cf1ba2a9634a (patch) | |
| tree | 6e21c2802b29ed74c99a272ea7d988bd875ba80e /include | |
| parent | 83595f56588d5f5d677e62a576b6248328862b34 (diff) | |
mm: page_alloc: generalize the dirty balance reserve
The dirty balance reserve that dirty throttling has to consider is
merely memory not available to userspace allocations. There is nothing
writeback-specific about it. Generalize the name so that it's reusable
outside of that context.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit a8d0143730d7b42c9fe6d1435d92ecce6863a62a)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmzone.h | 6 | ||||
| -rw-r--r-- | include/linux/swap.h | 1 |
2 files changed, 3 insertions, 4 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index e23a9e704536..9134ae3f61ff 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -361,10 +361,10 @@ struct zone { struct per_cpu_pageset __percpu *pageset; /* - * This is a per-zone reserve of pages that should not be - * considered dirtyable memory. + * This is a per-zone reserve of pages that are not available + * to userspace allocations. */ - unsigned long dirty_balance_reserve; + unsigned long totalreserve_pages; #ifndef CONFIG_SPARSEMEM /* diff --git a/include/linux/swap.h b/include/linux/swap.h index d8ca2eaa3a8b..f1a52c11de0e 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -289,7 +289,6 @@ static inline void workingset_node_shadows_dec(struct radix_tree_node *node) /* linux/mm/page_alloc.c */ extern unsigned long totalram_pages; extern unsigned long totalreserve_pages; -extern unsigned long dirty_balance_reserve; extern unsigned long nr_free_buffer_pages(void); extern unsigned long nr_free_pagecache_pages(void); |