Messages in this thread | | | Date | Wed, 18 Nov 2020 00:53:19 +0800 | From | Hui Su <> | Subject | Re: [PATCH] mm/lru: simplify is_file_lru() and is_active_lru() |
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On Wed, Nov 18, 2020 at 12:49:19AM +0800, Hui Su wrote: > page->lru bit 0 can tell whether the page is > avtive page or not. > page->lru bit 1 can tell whether the page is > file page or not. > > Signed-off-by: Hui Su <sh_def@163.com> > --- > include/linux/mmzone.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h > index fb3bf696c05e..294369c652d0 100644 > --- a/include/linux/mmzone.h > +++ b/include/linux/mmzone.h > @@ -258,12 +258,12 @@ enum lru_list { > > static inline bool is_file_lru(enum lru_list lru) > { > - return (lru == LRU_INACTIVE_FILE || lru == LRU_ACTIVE_FILE); > + return lru & LRU_FILE; > } > > static inline bool is_active_lru(enum lru_list lru) > { > - return (lru == LRU_ACTIVE_ANON || lru == LRU_ACTIVE_FILE); > + return lru & LRU_ACTIVE; > } > > #define ANON_AND_FILE 2 > -- > 2.29.0
The commit message is not correct, please ignore this change.
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