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mm, vmscan: remove highmem_file_pages

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With the reintroduction of per-zone LRU stats, highmem_file_pages is
redundant so remove it.

[mgorman@techsingularity.net: wrong stat is being accumulated in highmem_dirtyable_memory]
  Link: http://lkml.kernel.org/r/20160725092324.GM10438@techsingularity.netLink: http://lkml.kernel.org/r/1469110261-7365-3-git-send-email-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Vlastimil Babka <vbabka@suse.cz>
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
2016-07-28 15:47:29 -07:00
committed by Linus Torvalds
parent 71c799f498
commit bb4cc2bea6
2 changed files with 4 additions and 25 deletions
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17
include/linux/mm_inline.h
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@@ -4,22 +4,6 @@
#include <linux/huge_mm.h>
#include <linux/swap.h>
#ifdef CONFIG_HIGHMEM
extern atomic_t highmem_file_pages;
static inline void acct_highmem_file_pages(int zid, enum lru_list lru,
int nr_pages)
{
if (is_highmem_idx(zid) && is_file_lru(lru))
atomic_add(nr_pages, &highmem_file_pages);
}
#else
static inline void acct_highmem_file_pages(int zid, enum lru_list lru,
int nr_pages)
{
}
#endif
/**
* page_is_file_cache - should the page be on a file LRU or anon LRU?
* @page: the page to test
@@ -47,7 +31,6 @@ static __always_inline void __update_lru_size(struct lruvec *lruvec,
__mod_node_page_state(pgdat, NR_LRU_BASE + lru, nr_pages);
__mod_zone_page_state(&pgdat->node_zones[zid],
NR_ZONE_LRU_BASE + lru, nr_pages);
acct_highmem_file_pages(zid, lru, nr_pages);
}
static __always_inline void update_lru_size(struct lruvec *lruvec,