Since commit f40d1e4 (mm: compaction: acquire the zone->lock as late as possible), isolate_freepages_block() takes the zone->lock itself. The function description however still states that the zone->lock must be held. This patch removes this outdated statement. Signed-off-by: Jerome Marchand <jmarchan@xxxxxxxxxx> --- mm/compaction.c | 7 +++---- 1 files changed, 3 insertions(+), 4 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 05ccb4c..9f9026f 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -235,10 +235,9 @@ static bool suitable_migration_target(struct page *page) } /* - * Isolate free pages onto a private freelist. Caller must hold zone->lock. - * If @strict is true, will abort returning 0 on any invalid PFNs or non-free - * pages inside of the pageblock (even though it may still end up isolating - * some pages). + * Isolate free pages onto a private freelist. If @strict is true, will abort + * returning 0 on any invalid PFNs or non-free pages inside of the pageblock + * (even though it may still end up isolating some pages). */ static unsigned long isolate_freepages_block(struct compact_control *cc, unsigned long blockpfn, -- 1.7.7.6 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>