Re: [PATCH 4.6 1/3] mm, cma: prevent nr_isolated_* counters from going negative

On Mon, Apr 25, 2016 at 03:35:48PM +0200, Vlastimil Babka wrote: > From: Hugh Dickins > > /proc/sys/vm/stat_refresh warns nr_isolated_anon and nr_isolated_file > go increasingly negative under compaction: which would add delay when > should be none, or no delay when should

Re: [PATCH 4.6 1/3] mm, cma: prevent nr_isolated_* counters from going negative

On Mon, Apr 25, 2016 at 03:35:48PM +0200, Vlastimil Babka wrote: > From: Hugh Dickins > > /proc/sys/vm/stat_refresh warns nr_isolated_anon and nr_isolated_file > go increasingly negative under compaction: which would add delay when > should be none, or no delay when should delay. The bug in

[PATCH 4.6 1/3] mm, cma: prevent nr_isolated_* counters from going negative

From: Hugh Dickins /proc/sys/vm/stat_refresh warns nr_isolated_anon and nr_isolated_file go increasingly negative under compaction: which would add delay when should be none, or no delay when should delay. The bug in compaction was due to a recent mmotm patch, but much older

[PATCH 4.6 1/3] mm, cma: prevent nr_isolated_* counters from going negative

From: Hugh Dickins /proc/sys/vm/stat_refresh warns nr_isolated_anon and nr_isolated_file go increasingly negative under compaction: which would add delay when should be none, or no delay when should delay. The bug in compaction was due to a recent mmotm patch, but much older instance of the bug