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vmscan: change shrinker API by passing shrink_control struct
Change each shrinker's API by consolidating the existing parameters into shrink_control struct. This will simplify any further features added w/o touching each file of shrinker. [[email protected]: fix build] [[email protected]: fix warning] [[email protected]: fix up new shrinker API] [[email protected]: fix xfs warning] [[email protected]: update gfs2] Signed-off-by: Ying Han <[email protected]> Cc: KOSAKI Motohiro <[email protected]> Cc: Minchan Kim <[email protected]> Acked-by: Pavel Emelyanov <[email protected]> Cc: KAMEZAWA Hiroyuki <[email protected]> Cc: Mel Gorman <[email protected]> Acked-by: Rik van Riel <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Steven Whitehouse <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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21 changed files with 95 additions and 61 deletions
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@ -326,10 +326,12 @@ rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
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* Run memory cache shrinker.
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*/
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static int
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rpcauth_cache_shrinker(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask)
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rpcauth_cache_shrinker(struct shrinker *shrink, struct shrink_control *sc)
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{
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LIST_HEAD(free);
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int res;
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int nr_to_scan = sc->nr_to_scan;
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gfp_t gfp_mask = sc->gfp_mask;
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if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL)
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return (nr_to_scan == 0) ? 0 : -1;
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