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Merge "mm: vmscan: support complete shrinker reclaim"

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qctecmdr 2019-10-25 02:45:52 -07:00 • committed by Gerrit - the friendly Code Review server
commit f4de4c753b
1 changed files with 5 additions and 1 deletions
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6
mm/vmscan.c
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@ -471,6 +471,10 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl,
long batch_size = shrinker->batch ? shrinker->batch
: SHRINK_BATCH;
long scanned = 0, next_deferred;
long min_cache_size = batch_size;
if (current_is_kswapd())
min_cache_size = 0;
if (!(shrinker->flags & SHRINKER_NUMA_AWARE))
nid = 0;
@ -550,7 +554,7 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl,
* scanning at high prio and therefore should try to reclaim as much as
* possible.
*/
while (total_scan >= batch_size ||
while (total_scan > min_cache_size ||
total_scan >= freeable) {
unsigned long ret;
unsigned long nr_to_scan = min(batch_size, total_scan);