On 15.2.2017 22:29, Mel Gorman wrote: > On Wed, Feb 15, 2017 at 12:30:55PM -0800, Andrew Morton wrote: >> On Wed, 15 Feb 2017 09:22:44 +0000 Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> wrote: >> >>> This patchset is based on mmots as of Feb 9th, 2016. The baseline is >>> important as there are a number of kswapd-related fixes in that tree and >>> a comparison against v4.10-rc7 would be almost meaningless as a result. >> >> It's very late to squeeze this into 4.10. We can make it 4.11 material >> and perhaps tag it for backporting into 4.10.1? > > It would be important that Johannes's patches go along with then because > I'm relied on Johannes' fixes to deal with pages being inappropriately > written back from reclaim context when I was analysing the workload. > I'm thinking specifically about these patches > > mm-vmscan-scan-dirty-pages-even-in-laptop-mode.patch > mm-vmscan-kick-flushers-when-we-encounter-dirty-pages-on-the-lru.patch > mm-vmscan-kick-flushers-when-we-encounter-dirty-pages-on-the-lru-fix.patch > mm-vmscan-remove-old-flusher-wakeup-from-direct-reclaim-path.patch > mm-vmscan-only-write-dirty-pages-that-the-scanner-has-seen-twice.patch > mm-vmscan-move-dirty-pages-out-of-the-way-until-theyre-flushed.patch > mm-vmscan-move-dirty-pages-out-of-the-way-until-theyre-flushed-fix.patch > > This is 4.11 material for sure but I would not automatically try merging > them to 4.10 unless those patches were also included, ideally with a rerun > of just those patches against 4.10 to make sure there are no surprises > lurking in there. I wonder if we should also care about 4.9 which will be LTS, if we decide to look at stable at all. IIUC at least the problem that patch 1/3 fixes (wrt kcompactd not being woken up) is there since 4.8? -- 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>
