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Groups > linux.kernel > #1659396
| From | vinayak menon <vinayakm.list@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] Revert "mm: vmpressure: fix sending wrong events on underflow" |
| Date | 2017-06-07 08:20 +0200 |
| Message-ID | <tPCtY-2PT-17@gated-at.bofh.it> (permalink) |
| References | <tPzPr-10q-1@gated-at.bofh.it> <tPAit-1dp-3@gated-at.bofh.it> <tPBex-1PL-1@gated-at.bofh.it> <tPCtY-2PT-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Jun 7, 2017 at 11:42 AM, Minchan Kim <minchan@kernel.org> wrote: > On Wed, Jun 07, 2017 at 12:56:57PM +0800, zhong jiang wrote: >> On 2017/6/7 11:55, Minchan Kim wrote: >> > On Wed, Jun 07, 2017 at 11:08:37AM +0800, zhongjiang wrote: >> >> This reverts commit e1587a4945408faa58d0485002c110eb2454740c. >> >> >> >> THP lru page is reclaimed , THP is split to normal page and loop again. >> >> reclaimed pages should not be bigger than nr_scan. because of each >> >> loop will increase nr_scan counter. >> > Unfortunately, there is still underflow issue caused by slab pages as >> > Vinayak reported in description of e1587a4945408 so we cannot revert. >> > Please correct comment instead of removing the logic. >> > >> > Thanks. >> we calculate the vmpressue based on the Lru page, exclude the slab pages by previous >> discussion. is it not this? >> > > IIRC, It is not merged into mainline although mmotm has it. That's right Minchan. That patch was not mainlined.
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[PATCH] Revert "mm: vmpressure: fix sending wrong events on underflow" zhongjiang <zhongjiang@huawei.com> - 2017-06-07 05:30 +0200
Re: [PATCH] Revert "mm: vmpressure: fix sending wrong events on underflow" Minchan Kim <minchan@kernel.org> - 2017-06-07 06:00 +0200
Re: [PATCH] Revert "mm: vmpressure: fix sending wrong events on underflow" zhong jiang <zhongjiang@huawei.com> - 2017-06-07 07:00 +0200
Re: [PATCH] Revert "mm: vmpressure: fix sending wrong events on underflow" vinayak menon <vinayakm.list@gmail.com> - 2017-06-07 08:20 +0200
Re: [PATCH] Revert "mm: vmpressure: fix sending wrong events on underflow" zhong jiang <zhongjiang@huawei.com> - 2017-06-07 08:50 +0200
Re: [PATCH] Revert "mm: vmpressure: fix sending wrong events on underflow" Minchan Kim <minchan@kernel.org> - 2017-06-07 08:20 +0200
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