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authorJohannes Weiner <hannes@cmpxchg.org>2016-01-15 02:20:15 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-15 03:00:49 +0300
commita8d0143730d7b42c9fe6d1435d92ecce6863a62a (patch)
tree349dcd7f40a1b1d25702180493b93b720242a9bd /include/linux/mmzone.h
parentc20cd45eb01748f0fba77a504f956b000df4ea73 (diff)
downloadlinux-a8d0143730d7b42c9fe6d1435d92ecce6863a62a.tar.xz
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>
Diffstat (limited to 'include/linux/mmzone.h')
-rw-r--r--include/linux/mmzone.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 3b6fb71bbeb3..33bb1b19273e 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -356,10 +356,10 @@ 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
/*