On Wed, Jan 24, 2018 at 03:46:27PM +0800, Yisheng Xie wrote: >Hi Sasha, > >There is a fix patch for this patch: > > 13ab183 mm/kmemleak.c: make cond_resched() rate-limiting more efficient > >So if this patch is backported to stable, maybe the above patch is also >need to be backported too. Hi Yisheng, This patch fixes a softlockup, while the patch you linked seems like an performance optimization for this patch, so I'd rather skip it unless you're aware of an actual issue it might fix. -- Thanks, Sasha