Messages in this thread Patch in this message | | | From | Michal Hocko <> | Subject | [PATCH resend 2/3] vmpressure: do not check for pending work to prevent from new work | Date | Fri, 19 Jul 2013 18:51:10 +0200 |
| |
because it is racy and it doesn't give us much anyway as schedule_work handles this case already.
Brought-up-by: Tejun Heo <tj@kernel.org> Signed-off-by: Michal Hocko <mhocko@suse.cz> --- mm/vmpressure.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/vmpressure.c b/mm/vmpressure.c index f4ee6a1..192f973 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -246,7 +246,7 @@ void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, scanned = vmpr->scanned; spin_unlock(&vmpr->sr_lock); - if (scanned < vmpressure_win || work_pending(&vmpr->work)) + if (scanned < vmpressure_win) return; schedule_work(&vmpr->work); } -- 1.8.3.2
| |