Message ID | 20210712030701.4000097-50-willy@infradead.org (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | Memory folios | expand |
Hi "Matthew, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.14-rc1] [cannot apply to hnaz-linux-mm/master xfs-linux/for-next tip/perf/core next-20210712] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Matthew-Wilcox-Oracle/Memory-folios/20210712-122232 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git e73f0f0ee7541171d89f2e2491130c7771ba58d3 config: i386-randconfig-a015-20210712 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/5aef571282e393651f972fc71e3610582147b6e7 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Memory-folios/20210712-122232 git checkout 5aef571282e393651f972fc71e3610582147b6e7 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com> All errors (new ones prefixed by >>): In file included from include/linux/swap.h:9, from include/linux/suspend.h:5, from arch/x86/kernel/asm-offsets.c:13: include/linux/memcontrol.h: In function 'folio_matches_lruvec': >> include/linux/memcontrol.h:1530:33: error: implicit declaration of function 'folio_memcg' [-Werror=implicit-function-declaration] 1530 | lruvec_memcg(lruvec) == folio_memcg(folio); | ^~~~~~~~~~~ include/linux/memcontrol.h:1530:30: warning: comparison between pointer and integer 1530 | lruvec_memcg(lruvec) == folio_memcg(folio); | ^~ cc1: some warnings being treated as errors -- In file included from include/linux/swap.h:9, from include/linux/suspend.h:5, from arch/x86/kernel/asm-offsets.c:13: include/linux/memcontrol.h: In function 'folio_matches_lruvec': >> include/linux/memcontrol.h:1530:33: error: implicit declaration of function 'folio_memcg' [-Werror=implicit-function-declaration] 1530 | lruvec_memcg(lruvec) == folio_memcg(folio); | ^~~~~~~~~~~ include/linux/memcontrol.h:1530:30: warning: comparison between pointer and integer 1530 | lruvec_memcg(lruvec) == folio_memcg(folio); | ^~ cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1212: prepare0] Error 2 make[1]: Target 'modules_prepare' not remade because of errors. make: *** [Makefile:220: __sub-make] Error 2 make: Target 'modules_prepare' not remade because of errors. -- In file included from include/linux/swap.h:9, from include/linux/suspend.h:5, from arch/x86/kernel/asm-offsets.c:13: include/linux/memcontrol.h: In function 'folio_matches_lruvec': >> include/linux/memcontrol.h:1530:33: error: implicit declaration of function 'folio_memcg' [-Werror=implicit-function-declaration] 1530 | lruvec_memcg(lruvec) == folio_memcg(folio); | ^~~~~~~~~~~ include/linux/memcontrol.h:1530:30: warning: comparison between pointer and integer 1530 | lruvec_memcg(lruvec) == folio_memcg(folio); | ^~ cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1212: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:220: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/folio_memcg +1530 include/linux/memcontrol.h 1524 1525 /* Test requires a stable page->memcg binding, see page_memcg() */ 1526 static inline bool folio_matches_lruvec(struct folio *folio, 1527 struct lruvec *lruvec) 1528 { 1529 return lruvec_pgdat(lruvec) == folio_pgdat(folio) && > 1530 lruvec_memcg(lruvec) == folio_memcg(folio); 1531 } 1532 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index fae246c4b5bf..8612022313f6 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -1523,19 +1523,19 @@ static inline void unlock_page_lruvec_irqrestore(struct lruvec *lruvec, } /* Test requires a stable page->memcg binding, see page_memcg() */ -static inline bool page_matches_lruvec(struct page *page, struct lruvec *lruvec) +static inline bool folio_matches_lruvec(struct folio *folio, + struct lruvec *lruvec) { - return lruvec_pgdat(lruvec) == page_pgdat(page) && - lruvec_memcg(lruvec) == page_memcg(page); + return lruvec_pgdat(lruvec) == folio_pgdat(folio) && + lruvec_memcg(lruvec) == folio_memcg(folio); } /* Don't lock again iff page's lruvec locked */ -static inline struct lruvec *relock_page_lruvec_irq(struct page *page, +static inline struct lruvec *folio_lruvec_relock_irq(struct folio *folio, struct lruvec *locked_lruvec) { - struct folio *folio = page_folio(page); if (locked_lruvec) { - if (page_matches_lruvec(page, locked_lruvec)) + if (folio_matches_lruvec(folio, locked_lruvec)) return locked_lruvec; unlock_page_lruvec_irq(locked_lruvec); @@ -1545,12 +1545,11 @@ static inline struct lruvec *relock_page_lruvec_irq(struct page *page, } /* Don't lock again iff page's lruvec locked */ -static inline struct lruvec *relock_page_lruvec_irqsave(struct page *page, +static inline struct lruvec *folio_lruvec_relock_irqsave(struct folio *folio, struct lruvec *locked_lruvec, unsigned long *flags) { - struct folio *folio = page_folio(page); if (locked_lruvec) { - if (page_matches_lruvec(page, locked_lruvec)) + if (folio_matches_lruvec(folio, locked_lruvec)) return locked_lruvec; unlock_page_lruvec_irqrestore(locked_lruvec, *flags); diff --git a/mm/mlock.c b/mm/mlock.c index 16d2ee160d43..e263d62ae2d0 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -271,6 +271,7 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) /* Phase 1: page isolation */ for (i = 0; i < nr; i++) { struct page *page = pvec->pages[i]; + struct folio *folio = page_folio(page); if (TestClearPageMlocked(page)) { /* @@ -278,7 +279,7 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) * so we can spare the get_page() here. */ if (TestClearPageLRU(page)) { - lruvec = relock_page_lruvec_irq(page, lruvec); + lruvec = folio_lruvec_relock_irq(folio, lruvec); del_page_from_lru_list(page, lruvec); continue; } else diff --git a/mm/swap.c b/mm/swap.c index a82812caf409..42222653e6ef 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -211,12 +211,13 @@ static void pagevec_lru_move_fn(struct pagevec *pvec, for (i = 0; i < pagevec_count(pvec); i++) { struct page *page = pvec->pages[i]; + struct folio *folio = page_folio(page); /* block memcg migration during page moving between lru */ if (!TestClearPageLRU(page)) continue; - lruvec = relock_page_lruvec_irqsave(page, lruvec, &flags); + lruvec = folio_lruvec_relock_irqsave(folio, lruvec, &flags); (*move_fn)(page, lruvec); SetPageLRU(page); @@ -907,6 +908,7 @@ void release_pages(struct page **pages, int nr) for (i = 0; i < nr; i++) { struct page *page = pages[i]; + struct folio *folio = page_folio(page); /* * Make sure the IRQ-safe lock-holding time does not get @@ -918,7 +920,7 @@ void release_pages(struct page **pages, int nr) lruvec = NULL; } - page = compound_head(page); + page = &folio->page; if (is_huge_zero_page(page)) continue; @@ -957,7 +959,7 @@ void release_pages(struct page **pages, int nr) if (PageLRU(page)) { struct lruvec *prev_lruvec = lruvec; - lruvec = relock_page_lruvec_irqsave(page, lruvec, + lruvec = folio_lruvec_relock_irqsave(folio, lruvec, &flags); if (prev_lruvec != lruvec) lock_batch = 0; @@ -1061,8 +1063,9 @@ void __pagevec_lru_add(struct pagevec *pvec) for (i = 0; i < pagevec_count(pvec); i++) { struct page *page = pvec->pages[i]; + struct folio *folio = page_folio(page); - lruvec = relock_page_lruvec_irqsave(page, lruvec, &flags); + lruvec = folio_lruvec_relock_irqsave(folio, lruvec, &flags); __pagevec_lru_add_fn(page, lruvec); } if (lruvec) diff --git a/mm/vmscan.c b/mm/vmscan.c index 0d48306d37dc..7a2f25b904d9 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2075,7 +2075,7 @@ static unsigned int move_pages_to_lru(struct lruvec *lruvec, * All pages were isolated from the same lruvec (and isolation * inhibits memcg migration). */ - VM_BUG_ON_PAGE(!page_matches_lruvec(page, lruvec), page); + VM_BUG_ON_PAGE(!folio_matches_lruvec(page_folio(page), lruvec), page); add_page_to_lru_list(page, lruvec); nr_pages = thp_nr_pages(page); nr_moved += nr_pages; @@ -4514,6 +4514,7 @@ void check_move_unevictable_pages(struct pagevec *pvec) for (i = 0; i < pvec->nr; i++) { struct page *page = pvec->pages[i]; + struct folio *folio = page_folio(page); int nr_pages; if (PageTransTail(page)) @@ -4526,7 +4527,7 @@ void check_move_unevictable_pages(struct pagevec *pvec) if (!TestClearPageLRU(page)) continue; - lruvec = relock_page_lruvec_irq(page, lruvec); + lruvec = folio_lruvec_relock_irq(folio, lruvec); if (page_evictable(page) && PageUnevictable(page)) { del_page_from_lru_list(page, lruvec); ClearPageUnevictable(page);
These are the folio equivalents of relock_page_lruvec_irq() and folio_lruvec_relock_irqsave(). Also convert page_matches_lruvec() to folio_matches_lruvec(). Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- include/linux/memcontrol.h | 17 ++++++++--------- mm/mlock.c | 3 ++- mm/swap.c | 11 +++++++---- mm/vmscan.c | 5 +++-- 4 files changed, 20 insertions(+), 16 deletions(-)