在 2020/7/4 下午7:39, Matthew Wilcox 写道: > On Sat, Jul 04, 2020 at 07:34:59PM +0800, Alex Shi wrote: >> That's a great idea! Guess what the new struct we need would be like this? >> I like to try this. :) >> >> >> diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h >> index 081d934eda64..d62778c8c184 100644 >> --- a/include/linux/pagevec.h >> +++ b/include/linux/pagevec.h >> @@ -20,7 +20,7 @@ >> struct pagevec { >> unsigned char nr; >> bool percpu_pvec_drained; >> - struct page *pages[PAGEVEC_SIZE]; >> + struct list_head veclist; >> }; > > pagevecs are used not just for LRU. If you want to use a list_head for > LRU then define a new structure. > yes, there are much page don't use page->lru, like slab etc. we need a new struct. Thanks! Alex
- [PATCH v14 18/20] mm/vmscan: use relock for move_pag... Alex Shi
- [PATCH v14 19/20] mm/pgdat: remove pgdat lru_lock Alex Shi
- [PATCH v14 14/20] mm/mlock: reorder isolation sequen... Alex Shi
- [PATCH v14 04/20] mm/compaction: rename compact_defe... Alex Shi
- [PATCH v14 09/20] mm/swap: fold vm event PGROTATED i... Alex Shi
- [PATCH v14 11/20] mm/lru: move lock into lru_note_co... Alex Shi
- [PATCH v14 15/20] mm/swap: serialize memcg changes d... Alex Shi
- Re: [PATCH v14 15/20] mm/swap: serialize memcg ... Konstantin Khlebnikov
- Re: [PATCH v14 15/20] mm/swap: serialize me... Alex Shi
- Re: [PATCH v14 15/20] mm/swap: serializ... Matthew Wilcox
- Re: [PATCH v14 15/20] mm/swap: seri... Alex Shi
- Re: [PATCH v14 15/20] mm/swap:... Matthew Wilcox
- Re: [PATCH v14 15/20] mm/s... Alex Shi
- [PATCH v14 16/20] mm/lru: replace pgdat lru_lock wit... Alex Shi
- [PATCH v14 20/20] mm/lru: revise the comments of lru... Alex Shi
- [PATCH v14 02/20] mm/page_idle: no unlikely double c... Alex Shi