On Tue, 4 Apr 2023 00:57:08 +0800 yizhou.tang@xxxxxxxxxx wrote: > From: Tang Yizhou <yizhou.tang@xxxxxxxxxx> > > Neil said he didn't know what was wanted for realtime in the commit > message of commit a37b0715ddf3 ("mm/writeback: replace PF_LESS_THROTTLE > with PF_LOCAL_THROTTLE"). I think we need to distinguish between the > global writeback and memcg writeback in domain_dirty_limits() for the > rt tasks. Why do you think this? > Fixes: a53eaff8c119 ("MM: increase safety margin provided by PF_LESS_THROTTLE") In what way does it fix it? Please describe the user-visible effects of this change.