On 06/09/2014 05:26 PM, Vlastimil Babka wrote:
> isolate_freepages_block() rechecks if the pageblock is suitable to be a target
> for migration after it has taken the zone->lock. However, the check has been
> optimized to occur only once per pageblock, and compact_checklock_irqsave()
> might be dro
On Mon, Jun 09, 2014 at 11:26:13AM +0200, Vlastimil Babka wrote:
> isolate_freepages_block() rechecks if the pageblock is suitable to be a target
> for migration after it has taken the zone->lock. However, the check has been
> optimized to occur only once per pageblock, and compact_checklock_irqsav
On Mon, 9 Jun 2014, Vlastimil Babka wrote:
> isolate_freepages_block() rechecks if the pageblock is suitable to be a target
> for migration after it has taken the zone->lock. However, the check has been
> optimized to occur only once per pageblock, and compact_checklock_irqsave()
> might be droppi
isolate_freepages_block() rechecks if the pageblock is suitable to be a target
for migration after it has taken the zone->lock. However, the check has been
optimized to occur only once per pageblock, and compact_checklock_irqsave()
might be dropping and reacquiring lock, which means somebody else m
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