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- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- "Huang, Ying"
- Andrew Morton
| | | Date | Wed, 4 Jul 2018 11:11:53 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [PATCH -mm -v4 00/21] mm, THP, swap: Swapout/swapin THP in one piece |
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On (06/27/18 21:51), Andrew Morton wrote: > On Fri, 22 Jun 2018 11:51:30 +0800 "Huang, Ying" <ying.huang@intel.com> wrote: > > > This is the final step of THP (Transparent Huge Page) swap > > optimization. After the first and second step, the splitting huge > > page is delayed from almost the first step of swapout to after swapout > > has been finished. In this step, we avoid splitting THP for swapout > > and swapout/swapin the THP in one piece. > > It's a tremendously good performance improvement. It's also a > tremendously large patchset :(
Will zswap gain a THP swap out/in support at some point?
mm/zswap.c: static int zswap_frontswap_store(...) ... /* THP isn't supported */ if (PageTransHuge(page)) { ret = -EINVAL; goto reject; }
-ss
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