From: Vlastimil Babka <vbabka@suse.cz>
To: Mel Gorman <mgorman@techsingularity.net>,
Andrew Morton <akpm@linux-foundation.org>,
Linux-MM <linux-mm@kvack.org>
Cc: Rik van Riel <riel@surriel.com>,
Johannes Weiner <hannes@cmpxchg.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 22/27] mm: Convert zone_reclaim to node_reclaim
Date: Fri, 17 Jun 2016 12:55:11 +0200 [thread overview]
Message-ID: <75031785-fd9b-8ed2-54ae-c12874d3df5f@suse.cz> (raw)
In-Reply-To: <1465495483-11855-23-git-send-email-mgorman@techsingularity.net>
On 06/09/2016 08:04 PM, Mel Gorman wrote:
> As reclaim is now per-node based, convert zone_reclaim to be node_reclaim.
> It is possible that a node will be reclaimed multiple times if it has
> multiple zones but this is unavoidable without caching all nodes traversed
> so far. The documentation and interface to userspace is the same from
> a configuration perspective and will will be similar in behaviour unless
> the node-local allocation requests were also limited to lower zones.
>
> Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
[...]
> @@ -682,6 +674,14 @@ typedef struct pglist_data {
> */
> unsigned long totalreserve_pages;
>
> +#ifdef CONFIG_NUMA
> + /*
> + * zone reclaim becomes active if more unmapped pages exist.
node reclaim
> + */
> + unsigned long min_unmapped_pages;
> + unsigned long min_slab_pages;
> +#endif /* CONFIG_NUMA */
> +
> /* Write-intensive fields used from the page allocator */
> ZONE_PADDING(_pad1_)
> spinlock_t lru_lock;
[...]
> @@ -3580,7 +3580,7 @@ static inline unsigned long node_unmapped_file_pages(struct pglist_data *pgdat)
> }
>
> /* Work out how many page cache pages we can reclaim in this reclaim_mode */
> -static unsigned long zone_pagecache_reclaimable(struct zone *zone)
> +static unsigned long zone_pagecache_reclaimable(struct pglist_data *pgdat)
Rename to node_pagecache_reclaimable?
next prev parent reply other threads:[~2016-06-17 10:55 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-09 18:04 [PATCH 00/27] Move LRU page reclaim from zones to nodes v6 Mel Gorman
2016-06-09 18:04 ` [PATCH 01/27] mm, vmstat: Add infrastructure for per-node vmstats Mel Gorman
2016-06-10 13:31 ` Vlastimil Babka
2016-06-10 13:47 ` Mel Gorman
2016-06-13 17:26 ` Christoph Lameter
2016-06-14 14:25 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 02/27] mm, vmscan: Move lru_lock to the node Mel Gorman
2016-06-10 16:39 ` Vlastimil Babka
2016-06-10 17:48 ` Peter Zijlstra
2016-06-14 14:41 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 03/27] mm, vmscan: Move LRU lists to node Mel Gorman
2016-06-10 18:00 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 04/27] mm, vmscan: Begin reclaiming pages on a per-node basis Mel Gorman
2016-06-15 12:52 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 05/27] mm, vmscan: Have kswapd only scan based on the highest requested zone Mel Gorman
2016-06-15 13:13 ` Vlastimil Babka
2016-06-16 7:44 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 06/27] mm, vmscan: Make kswapd reclaim in terms of nodes Mel Gorman
2016-06-15 14:23 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 07/27] mm, vmscan: Remove balance gap Mel Gorman
2016-06-15 14:28 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 08/27] mm, vmscan: Simplify the logic deciding whether kswapd sleeps Mel Gorman
2016-06-15 15:18 ` Vlastimil Babka
2016-06-16 8:30 ` Mel Gorman
2016-06-16 9:16 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 09/27] mm, vmscan: By default have direct reclaim only shrink once per node Mel Gorman
2016-06-16 8:59 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 10/27] mm, vmscan: Clear congestion, dirty and need for compaction on a per-node basis Mel Gorman
2016-06-16 9:29 ` Vlastimil Babka
2016-06-16 10:29 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 11/27] mm: vmscan: Do not reclaim from kswapd if there is any eligible zone Mel Gorman
2016-06-16 10:08 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 12/27] mm, vmscan: Make shrink_node decisions more node-centric Mel Gorman
2016-06-16 13:35 ` Vlastimil Babka
2016-06-16 14:47 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 13/27] mm, memcg: Move memcg limit enforcement from zones to nodes Mel Gorman
2016-06-16 15:06 ` Vlastimil Babka
2016-06-16 15:53 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 14/27] mm, workingset: Make working set detection node-aware Mel Gorman
2016-06-16 15:13 ` Vlastimil Babka
2016-06-16 15:56 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 15/27] mm, page_alloc: Consider dirtyable memory in terms of nodes Mel Gorman
2016-06-16 15:45 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 16/27] mm: Move page mapped accounting to the node Mel Gorman
2016-06-16 15:52 ` Vlastimil Babka
2016-06-16 16:04 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 17/27] mm: Rename NR_ANON_PAGES to NR_ANON_MAPPED Mel Gorman
2016-06-17 8:28 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 18/27] mm: Move most file-based accounting to the node Mel Gorman
2016-06-17 8:35 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 19/27] mm: Move vmscan writes and file write " Mel Gorman
2016-06-17 8:51 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 20/27] mm, vmscan: Update classzone_idx if buffer_heads_over_limit Mel Gorman
2016-06-17 8:53 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 21/27] mm, vmscan: Only wakeup kswapd once per node for the requested classzone Mel Gorman
2016-06-17 10:46 ` Vlastimil Babka
2016-06-17 12:03 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 22/27] mm: Convert zone_reclaim to node_reclaim Mel Gorman
2016-06-17 10:55 ` Vlastimil Babka [this message]
2016-06-09 18:04 ` [PATCH 23/27] mm, vmscan: Add classzone information to tracepoints Mel Gorman
2016-06-17 10:57 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 24/27] mm, page_alloc: Remove fair zone allocation policy Mel Gorman
2016-06-17 11:27 ` Vlastimil Babka
2016-06-17 12:07 ` Mel Gorman
2016-06-09 18:04 ` [PATCH 25/27] mm: page_alloc: Cache the last node whose dirty limit is reached Mel Gorman
2016-06-17 11:31 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 26/27] mm: vmstat: Replace __count_zone_vm_events with a zone id equivalent Mel Gorman
2016-06-17 11:36 ` Vlastimil Babka
2016-06-09 18:04 ` [PATCH 27/27] mm: vmstat: Account per-zone stalls and pages skipped during reclaim Mel Gorman
2016-06-17 12:39 ` Vlastimil Babka
-- strict thread matches above, loose matches on Subject: below --
2016-06-21 14:15 [PATCH 00/27] Move LRU page reclaim from zones to nodes v7 Mel Gorman
2016-06-21 14:16 ` [PATCH 22/27] mm: Convert zone_reclaim to node_reclaim Mel Gorman
2016-04-15 9:13 [PATCH 00/27] Move LRU page reclaim from zones to nodes v5 Mel Gorman
2016-04-15 9:13 ` [PATCH 22/27] mm: Convert zone_reclaim to node_reclaim Mel Gorman
2016-04-06 11:22 Mel Gorman
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