On 29 Jan 2019, at 23:17, Dave Chinner wrote: > From: Dave Chinner <dchinner@xxxxxxxxxx> > > This reverts commit a76cf1a474d7dbcd9336b5f5afb0162baa142cf0. > > This change causes serious changes to page cache and inode cache > behaviour and balance, resulting in major performance regressions > when combining worklaods such as large file copies and kernel > compiles. > > https://bugzilla.kernel.org/show_bug.cgi?id=202441 I'm a little confused by the latest comment in the bz: https://bugzilla.kernel.org/show_bug.cgi?id=202441#c24 Are these reverts sufficient? Roman beat me to suggesting Rik's followup. We hit a different problem in prod with small slabs, and have a lot of instrumentation on Rik's code helping. -chris