在 2020/7/21 下午5:26, Alex Shi 写道:
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> 在 2020/7/21 上午2:51, Alexander Duyck 写道:
>>> Look into the __split_huge_page_tail, there is a tiny gap between tail page
>>> get PG_mlocked, and it is added into lru list.
>>> The TestClearPageLRU could blocked memcg changes of the page from stopping
>>>
在 2020/7/21 上午2:51, Alexander Duyck 写道:
>> Look into the __split_huge_page_tail, there is a tiny gap between tail page
>> get PG_mlocked, and it is added into lru list.
>> The TestClearPageLRU could blocked memcg changes of the page from stopping
>> isolate_lru_page.
> I get that there is a gap
On Sat, Jul 18, 2020 at 8:56 PM Alex Shi wrote:
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>
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> 在 2020/7/18 上午4:30, Alexander Duyck 写道:
> > On Fri, Jul 10, 2020 at 5:59 PM Alex Shi wrote:
> >>
> >> This patch reorder the isolation steps during munlock, move the lru lock
> >> to guard each pages, unfold __munlock_isolate_lru_page func,
在 2020/7/18 上午4:30, Alexander Duyck 写道:
> On Fri, Jul 10, 2020 at 5:59 PM Alex Shi wrote:
>>
>> This patch reorder the isolation steps during munlock, move the lru lock
>> to guard each pages, unfold __munlock_isolate_lru_page func, to do the
>> preparation for lru lock change.
>>
>>
On Fri, Jul 10, 2020 at 5:59 PM Alex Shi wrote:
>
> This patch reorder the isolation steps during munlock, move the lru lock
> to guard each pages, unfold __munlock_isolate_lru_page func, to do the
> preparation for lru lock change.
>
> __split_huge_page_refcount doesn't exist, but we still have
This patch reorder the isolation steps during munlock, move the lru lock
to guard each pages, unfold __munlock_isolate_lru_page func, to do the
preparation for lru lock change.
__split_huge_page_refcount doesn't exist, but we still have to guard
PageMlocked and PageLRU for tail page in
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