Messages in this thread | | | Subject | Re: [v2 PATCH 0/2] mm: mempolicy: fix mbind()'s inconsistent behavior for unmovable pages | From | Yang Shi <> | Date | Mon, 15 Jul 2019 16:54:11 -0700 |
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On 7/15/19 4:51 PM, Yang Shi wrote: > > > On 7/15/19 3:22 PM, Andrew Morton wrote: >> On Sat, 22 Jun 2019 08:20:07 +0800 Yang Shi >> <yang.shi@linux.alibaba.com> wrote: >> >>> Changelog >>> v2: * Fixed the inconsistent behavior by not aborting !vma_migratable() >>> immediately by a separate patch (patch 1/2), and this is also >>> the >>> preparation for patch 2/2. For the details please see the commit >>> log. Per Vlastimil. >>> * Not abort immediately if unmovable page is met. This should >>> handle >>> non-LRU movable pages and temporary off-LRU pages more friendly. >>> Per Vlastimil and Michal Hocko. >>> >>> Yang Shi (2): >>> mm: mempolicy: make the behavior consistent when >>> MPOL_MF_MOVE* and MPOL_MF_STRICT were specified >>> mm: mempolicy: handle vma with unmovable pages mapped >>> correctly in mbind >>> >> I'm seeing no evidence of review on these two. Could we please take a >> look? 2/2 fixes a kernel crash so let's please also think about the >> -stable situation. > > Thanks for following up this. It seems I have a few patches stalled > due to lack of review. > > BTW, this would not crash post-4.9 kernel since that BUG_ON had been > removed. But, that behavior is definitely problematic as the commit > log elaborated. > >> >> I have a note here that Vlastimil had an issue with [1/2] but I seem to >> hae misplaced that email :(
Vlastimil suggested something for v1, then I think his concern and suggestion have been solved in this version. But, the review was stalled.
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