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
On Mon, 1 Jun 2020 21:05:25 -0700 (PDT) Hugh Dickins wrote:
> Andrew, I've noticed that this buggy
> mm-compaction-avoid-vm_bug_onpageslab-in-page_mapcount.patch
> was still in Friday's mmotm 2020-05-29-16-09, despite its replacement
> 6988f31d558a ("mm: remove VM_BUG_ON(PageSlab()) from
On Sat, 23 May 2020, Hugh Dickins wrote:
> On Wed, 13 May 2020, Konstantin Khlebnikov wrote:
>
> > Function isolate_migratepages_block() runs some checks out of lru_lock
> > when choose pages for migration. After checking PageLRU() it checks extra
> > page references by comparing page_count() and
On Sun, 24 May 2020, Konstantin Khlebnikov wrote:
> On 24/05/2020 04.01, Hugh Dickins wrote:
> > On Wed, 13 May 2020, Konstantin Khlebnikov wrote:
> >
> > > Function isolate_migratepages_block() runs some checks out of lru_lock
> > > when choose pages for migration. After checking PageLRU() it
On 24/05/2020 04.01, Hugh Dickins wrote:
On Wed, 13 May 2020, Konstantin Khlebnikov wrote:
Function isolate_migratepages_block() runs some checks out of lru_lock
when choose pages for migration. After checking PageLRU() it checks extra
page references by comparing page_count() and
On Wed, 13 May 2020, Konstantin Khlebnikov wrote:
> Function isolate_migratepages_block() runs some checks out of lru_lock
> when choose pages for migration. After checking PageLRU() it checks extra
> page references by comparing page_count() and page_mapcount(). Between
> these two checks page
On Sat, May 23, 2020 at 4:34 AM Andrew Morton wrote:
>
> On Wed, 13 May 2020 17:05:25 +0300 Konstantin Khlebnikov
> wrote:
>
> > Function isolate_migratepages_block() runs some checks out of lru_lock
> > when choose pages for migration. After checking PageLRU() it checks extra
> > page
On Wed, 13 May 2020 17:05:25 +0300 Konstantin Khlebnikov
wrote:
> Function isolate_migratepages_block() runs some checks out of lru_lock
> when choose pages for migration. After checking PageLRU() it checks extra
> page references by comparing page_count() and page_mapcount(). Between
> these
On 5/13/20 9:28 PM, Konstantin Khlebnikov wrote:
> On 13/05/2020 21.32, Andrew Morton wrote:
>> On Wed, 13 May 2020 17:05:25 +0300 Konstantin Khlebnikov
>> wrote:
>>
>>> Function isolate_migratepages_block() runs some checks out of lru_lock
>>> when choose pages for migration. After checking
On 13/05/2020 21.32, Andrew Morton wrote:
On Wed, 13 May 2020 17:05:25 +0300 Konstantin Khlebnikov
wrote:
Function isolate_migratepages_block() runs some checks out of lru_lock
when choose pages for migration. After checking PageLRU() it checks extra
page references by comparing page_count()
On Wed, 13 May 2020 17:05:25 +0300 Konstantin Khlebnikov
wrote:
> Function isolate_migratepages_block() runs some checks out of lru_lock
> when choose pages for migration. After checking PageLRU() it checks extra
> page references by comparing page_count() and page_mapcount(). Between
> these
Function isolate_migratepages_block() runs some checks out of lru_lock
when choose pages for migration. After checking PageLRU() it checks extra
page references by comparing page_count() and page_mapcount(). Between
these two checks page could be removed from lru, freed and taken by slab.
As a
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