在 2021/2/24 下午4:37, Yu Zhao 写道:
>>> @@ -65,18 +63,12 @@ static __always_inline void
>>> __clear_page_lru_flags(struct page *page)
>>> */
>>> static __always_inline enum lru_list page_lru(struct page *page)
>>> {
>>> - enum lru_list lru;
>>> + unsigned long flags =
On Wed, Feb 24, 2021 at 04:06:45PM +0800, Alex Shi wrote:
>
>
> 在 2021/2/24 下午1:29, Yu Zhao 写道:
> > On Tue, Feb 23, 2021 at 02:50:11PM -0800, Andrew Morton wrote:
> >> On Tue, 26 Jan 2021 15:14:38 -0700 Yu Zhao wrote:
> >>
> >>> On Tue, Jan 26, 2021 at 10:01:11PM +, Matthew Wilcox wrote:
>
在 2021/2/24 下午1:29, Yu Zhao 写道:
> On Tue, Feb 23, 2021 at 02:50:11PM -0800, Andrew Morton wrote:
>> On Tue, 26 Jan 2021 15:14:38 -0700 Yu Zhao wrote:
>>
>>> On Tue, Jan 26, 2021 at 10:01:11PM +, Matthew Wilcox wrote:
On Fri, Jan 22, 2021 at 03:05:53PM -0700, Yu Zhao wrote:
> +++
On Tue, Feb 23, 2021 at 02:50:11PM -0800, Andrew Morton wrote:
> On Tue, 26 Jan 2021 15:14:38 -0700 Yu Zhao wrote:
>
> > On Tue, Jan 26, 2021 at 10:01:11PM +, Matthew Wilcox wrote:
> > > On Fri, Jan 22, 2021 at 03:05:53PM -0700, Yu Zhao wrote:
> > > > +++ b/mm/swap.c
> > > > @@ -231,7 +231,7
On Tue, 26 Jan 2021 15:14:38 -0700 Yu Zhao wrote:
> On Tue, Jan 26, 2021 at 10:01:11PM +, Matthew Wilcox wrote:
> > On Fri, Jan 22, 2021 at 03:05:53PM -0700, Yu Zhao wrote:
> > > +++ b/mm/swap.c
> > > @@ -231,7 +231,7 @@ static void pagevec_move_tail_fn(struct page *page,
> > > struct
On 1/26/21 10:34 PM, Yu Zhao wrote:
> On Tue, Jan 26, 2021 at 08:13:11PM +0100, Vlastimil Babka wrote:
>> On 1/22/21 11:05 PM, Yu Zhao wrote:
>> > The "enum lru_list" parameter to add_page_to_lru_list() and
>> > add_page_to_lru_list_tail() is redundant in the sense that it can
>> > be extracted
On Tue, Jan 26, 2021 at 08:13:11PM +0100, Vlastimil Babka wrote:
> On 1/22/21 11:05 PM, Yu Zhao wrote:
> > The "enum lru_list" parameter to add_page_to_lru_list() and
> > add_page_to_lru_list_tail() is redundant in the sense that it can
> > be extracted from the "struct page" parameter by
On Tue, Jan 26, 2021 at 10:01:11PM +, Matthew Wilcox wrote:
> On Fri, Jan 22, 2021 at 03:05:53PM -0700, Yu Zhao wrote:
> > +++ b/mm/swap.c
> > @@ -231,7 +231,7 @@ static void pagevec_move_tail_fn(struct page *page,
> > struct lruvec *lruvec)
> > if (!PageUnevictable(page)) {
> >
On Fri, Jan 22, 2021 at 03:05:53PM -0700, Yu Zhao wrote:
> +++ b/mm/swap.c
> @@ -231,7 +231,7 @@ static void pagevec_move_tail_fn(struct page *page,
> struct lruvec *lruvec)
> if (!PageUnevictable(page)) {
> del_page_from_lru_list(page, lruvec, page_lru(page));
>
On 1/22/21 11:05 PM, Yu Zhao wrote:
> The "enum lru_list" parameter to add_page_to_lru_list() and
> add_page_to_lru_list_tail() is redundant in the sense that it can
> be extracted from the "struct page" parameter by page_lru().
Okay, however, it means repeated extraction of a value that we
The "enum lru_list" parameter to add_page_to_lru_list() and
add_page_to_lru_list_tail() is redundant in the sense that it can
be extracted from the "struct page" parameter by page_lru().
A caveat is that we need to make sure PageActive() or
PageUnevictable() is correctly set or cleared before
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