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mm: vmscan: move set_task_reclaim_state() near flush_reclaim_state()
Move set_task_reclaim_state() near flush_reclaim_state() so that all helpers manipulating reclaim_state are in close proximity. Link: https://lkml.kernel.org/r/20230413104034.1086717-3-yosryahmed@google.com Signed-off-by: Yosry Ahmed <yosryahmed@google.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Christoph Lameter <cl@linux.com> Cc: Darrick J. Wong <djwong@kernel.org> Cc: Dave Chinner <david@fromorbit.com> Cc: David Hildenbrand <david@redhat.com> Cc: David Rientjes <rientjes@google.com> Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Miaohe Lin <linmiaohe@huawei.com> Cc: NeilBrown <neilb@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Roman Gushchin <roman.gushchin@linux.dev> Cc: Shakeel Butt <shakeelb@google.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Yu Zhao <yuzhao@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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parent
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mm/vmscan.c
24
mm/vmscan.c
@ -189,18 +189,6 @@ struct scan_control {
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*/
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int vm_swappiness = 60;
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static void set_task_reclaim_state(struct task_struct *task,
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struct reclaim_state *rs)
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{
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/* Check for an overwrite */
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WARN_ON_ONCE(rs && task->reclaim_state);
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/* Check for the nulling of an already-nulled member */
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WARN_ON_ONCE(!rs && !task->reclaim_state);
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task->reclaim_state = rs;
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}
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LIST_HEAD(shrinker_list);
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DEFINE_MUTEX(shrinker_mutex);
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DEFINE_SRCU(shrinker_srcu);
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@ -528,6 +516,18 @@ static bool writeback_throttling_sane(struct scan_control *sc)
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}
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#endif
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static void set_task_reclaim_state(struct task_struct *task,
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struct reclaim_state *rs)
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{
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/* Check for an overwrite */
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WARN_ON_ONCE(rs && task->reclaim_state);
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/* Check for the nulling of an already-nulled member */
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WARN_ON_ONCE(!rs && !task->reclaim_state);
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task->reclaim_state = rs;
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}
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/*
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* flush_reclaim_state(): add pages reclaimed outside of LRU-based reclaim to
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* scan_control->nr_reclaimed.
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