Messages in this thread | | | Subject | Re: [PATCH] mm/compaction: avoid VM_BUG_ON(PageSlab()) in page_mapcount() | From | Alex Shi <> | Date | Tue, 2 Jun 2020 19:28:30 +0800 |
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在 2020/6/2 下午12:05, Hugh Dickins 写道: > Cc'ing Alex Shi, because I noticed this when trying his v11 per-memcg > lru_lock series (which appears to be a big improvement over earlier > versions, thanks in particular to Johannes's memcg swap simplifications); > and Alex's 12/16 makes a change on top of Konstantin's latter check, > which will now just be reverted. I'm not yet confident in Alex's > isolate_migratepages_block(), in part because this muddle.
Hi Hugh,
Yes, this could make a very tricky change on compaction behavior. I will update the patchset after next update.
Thanks a lot for notice this! And looking forward to more comments on per memcg lru_lock patchset! :)
Thanks Alex
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