From: Yu Zhao <yuzhao@google.com> To: Stephen Rothwell <sfr@rothwell.id.au>, linux-mm@kvack.org Cc: "Andi Kleen" <ak@linux.intel.com>, "Andrew Morton" <akpm@linux-foundation.org>, "Aneesh Kumar" <aneesh.kumar@linux.ibm.com>, "Barry Song" <21cnbao@gmail.com>, "Catalin Marinas" <catalin.marinas@arm.com>, "Dave Hansen" <dave.hansen@linux.intel.com>, "Hillf Danton" <hdanton@sina.com>, "Jens Axboe" <axboe@kernel.dk>, "Jesse Barnes" <jsbarnes@google.com>, "Johannes Weiner" <hannes@cmpxchg.org>, "Jonathan Corbet" <corbet@lwn.net>, "Linus Torvalds" <torvalds@linux-foundation.org>, "Matthew Wilcox" <willy@infradead.org>, "Mel Gorman" <mgorman@suse.de>, "Michael Larabel" <Michael@michaellarabel.com>, "Michal Hocko" <mhocko@kernel.org>, "Mike Rapoport" <rppt@kernel.org>, "Rik van Riel" <riel@surriel.com>, "Vlastimil Babka" <vbabka@suse.cz>, "Will Deacon" <will@kernel.org>, "Ying Huang" <ying.huang@intel.com>, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, page-reclaim@google.com, x86@kernel.org, "Yu Zhao" <yuzhao@google.com>, "Barry Song" <baohua@kernel.org>, "Brian Geffon" <bgeffon@google.com>, "Jan Alexander Steffens" <heftig@archlinux.org>, "Oleksandr Natalenko" <oleksandr@natalenko.name>, "Steven Barrett" <steven@liquorix.net>, "Suleiman Souhlal" <suleiman@google.com>, "Daniel Byrne" <djbyrne@mtu.edu>, "Donald Carr" <d@chaos-reins.com>, "Holger Hoffstätte" <holger@applied-asynchrony.com>, "Konstantin Kharlamov" <Hi-Angel@yandex.ru>, "Shuang Zhai" <szhai2@cs.rochester.edu>, "Sofia Trinh" <sofia.trinh@edi.works>, "Vaibhav Jain" <vaibhav@linux.ibm.com> Subject: [PATCH v10 03/14] mm/vmscan.c: refactor shrink_node() Date: Wed, 6 Apr 2022 21:15:15 -0600 [thread overview] Message-ID: <20220407031525.2368067-4-yuzhao@google.com> (raw) In-Reply-To: <20220407031525.2368067-1-yuzhao@google.com> This patch refactors shrink_node() to improve readability for the upcoming changes to mm/vmscan.c. Signed-off-by: Yu Zhao <yuzhao@google.com> Reviewed-by: Barry Song <baohua@kernel.org> Acked-by: Brian Geffon <bgeffon@google.com> Acked-by: Jan Alexander Steffens (heftig) <heftig@archlinux.org> Acked-by: Oleksandr Natalenko <oleksandr@natalenko.name> Acked-by: Steven Barrett <steven@liquorix.net> Acked-by: Suleiman Souhlal <suleiman@google.com> Tested-by: Daniel Byrne <djbyrne@mtu.edu> Tested-by: Donald Carr <d@chaos-reins.com> Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com> Tested-by: Konstantin Kharlamov <Hi-Angel@yandex.ru> Tested-by: Shuang Zhai <szhai2@cs.rochester.edu> Tested-by: Sofia Trinh <sofia.trinh@edi.works> Tested-by: Vaibhav Jain <vaibhav@linux.ibm.com> --- mm/vmscan.c | 198 +++++++++++++++++++++++++++------------------------- 1 file changed, 104 insertions(+), 94 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 1678802e03e7..2232cb55af41 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2644,6 +2644,109 @@ enum scan_balance { SCAN_FILE, }; +static void prepare_scan_count(pg_data_t *pgdat, struct scan_control *sc) +{ + unsigned long file; + struct lruvec *target_lruvec; + + target_lruvec = mem_cgroup_lruvec(sc->target_mem_cgroup, pgdat); + + /* + * Flush the memory cgroup stats, so that we read accurate per-memcg + * lruvec stats for heuristics. + */ + mem_cgroup_flush_stats(); + + /* + * Determine the scan balance between anon and file LRUs. + */ + spin_lock_irq(&target_lruvec->lru_lock); + sc->anon_cost = target_lruvec->anon_cost; + sc->file_cost = target_lruvec->file_cost; + spin_unlock_irq(&target_lruvec->lru_lock); + + /* + * Target desirable inactive:active list ratios for the anon + * and file LRU lists. + */ + if (!sc->force_deactivate) { + unsigned long refaults; + + refaults = lruvec_page_state(target_lruvec, + WORKINGSET_ACTIVATE_ANON); + if (refaults != target_lruvec->refaults[0] || + inactive_is_low(target_lruvec, LRU_INACTIVE_ANON)) + sc->may_deactivate |= DEACTIVATE_ANON; + else + sc->may_deactivate &= ~DEACTIVATE_ANON; + + /* + * When refaults are being observed, it means a new + * workingset is being established. Deactivate to get + * rid of any stale active pages quickly. + */ + refaults = lruvec_page_state(target_lruvec, + WORKINGSET_ACTIVATE_FILE); + if (refaults != target_lruvec->refaults[1] || + inactive_is_low(target_lruvec, LRU_INACTIVE_FILE)) + sc->may_deactivate |= DEACTIVATE_FILE; + else + sc->may_deactivate &= ~DEACTIVATE_FILE; + } else + sc->may_deactivate = DEACTIVATE_ANON | DEACTIVATE_FILE; + + /* + * If we have plenty of inactive file pages that aren't + * thrashing, try to reclaim those first before touching + * anonymous pages. + */ + file = lruvec_page_state(target_lruvec, NR_INACTIVE_FILE); + if (file >> sc->priority && !(sc->may_deactivate & DEACTIVATE_FILE)) + sc->cache_trim_mode = 1; + else + sc->cache_trim_mode = 0; + + /* + * Prevent the reclaimer from falling into the cache trap: as + * cache pages start out inactive, every cache fault will tip + * the scan balance towards the file LRU. And as the file LRU + * shrinks, so does the window for rotation from references. + * This means we have a runaway feedback loop where a tiny + * thrashing file LRU becomes infinitely more attractive than + * anon pages. Try to detect this based on file LRU size. + */ + if (!cgroup_reclaim(sc)) { + unsigned long total_high_wmark = 0; + unsigned long free, anon; + int z; + + free = sum_zone_node_page_state(pgdat->node_id, NR_FREE_PAGES); + file = node_page_state(pgdat, NR_ACTIVE_FILE) + + node_page_state(pgdat, NR_INACTIVE_FILE); + + for (z = 0; z < MAX_NR_ZONES; z++) { + struct zone *zone = &pgdat->node_zones[z]; + + if (!managed_zone(zone)) + continue; + + total_high_wmark += high_wmark_pages(zone); + } + + /* + * Consider anon: if that's low too, this isn't a + * runaway file reclaim problem, but rather just + * extreme pressure. Reclaim as per usual then. + */ + anon = node_page_state(pgdat, NR_INACTIVE_ANON); + + sc->file_is_tiny = + file + free <= total_high_wmark && + !(sc->may_deactivate & DEACTIVATE_ANON) && + anon >> sc->priority; + } +} + /* * Determine how aggressively the anon and file LRU lists should be * scanned. The relative value of each set of LRU lists is determined @@ -3114,109 +3217,16 @@ static void shrink_node(pg_data_t *pgdat, struct scan_control *sc) unsigned long nr_reclaimed, nr_scanned; struct lruvec *target_lruvec; bool reclaimable = false; - unsigned long file; target_lruvec = mem_cgroup_lruvec(sc->target_mem_cgroup, pgdat); again: - /* - * Flush the memory cgroup stats, so that we read accurate per-memcg - * lruvec stats for heuristics. - */ - mem_cgroup_flush_stats(); - memset(&sc->nr, 0, sizeof(sc->nr)); nr_reclaimed = sc->nr_reclaimed; nr_scanned = sc->nr_scanned; - /* - * Determine the scan balance between anon and file LRUs. - */ - spin_lock_irq(&target_lruvec->lru_lock); - sc->anon_cost = target_lruvec->anon_cost; - sc->file_cost = target_lruvec->file_cost; - spin_unlock_irq(&target_lruvec->lru_lock); - - /* - * Target desirable inactive:active list ratios for the anon - * and file LRU lists. - */ - if (!sc->force_deactivate) { - unsigned long refaults; - - refaults = lruvec_page_state(target_lruvec, - WORKINGSET_ACTIVATE_ANON); - if (refaults != target_lruvec->refaults[0] || - inactive_is_low(target_lruvec, LRU_INACTIVE_ANON)) - sc->may_deactivate |= DEACTIVATE_ANON; - else - sc->may_deactivate &= ~DEACTIVATE_ANON; - - /* - * When refaults are being observed, it means a new - * workingset is being established. Deactivate to get - * rid of any stale active pages quickly. - */ - refaults = lruvec_page_state(target_lruvec, - WORKINGSET_ACTIVATE_FILE); - if (refaults != target_lruvec->refaults[1] || - inactive_is_low(target_lruvec, LRU_INACTIVE_FILE)) - sc->may_deactivate |= DEACTIVATE_FILE; - else - sc->may_deactivate &= ~DEACTIVATE_FILE; - } else - sc->may_deactivate = DEACTIVATE_ANON | DEACTIVATE_FILE; - - /* - * If we have plenty of inactive file pages that aren't - * thrashing, try to reclaim those first before touching - * anonymous pages. - */ - file = lruvec_page_state(target_lruvec, NR_INACTIVE_FILE); - if (file >> sc->priority && !(sc->may_deactivate & DEACTIVATE_FILE)) - sc->cache_trim_mode = 1; - else - sc->cache_trim_mode = 0; - - /* - * Prevent the reclaimer from falling into the cache trap: as - * cache pages start out inactive, every cache fault will tip - * the scan balance towards the file LRU. And as the file LRU - * shrinks, so does the window for rotation from references. - * This means we have a runaway feedback loop where a tiny - * thrashing file LRU becomes infinitely more attractive than - * anon pages. Try to detect this based on file LRU size. - */ - if (!cgroup_reclaim(sc)) { - unsigned long total_high_wmark = 0; - unsigned long free, anon; - int z; - - free = sum_zone_node_page_state(pgdat->node_id, NR_FREE_PAGES); - file = node_page_state(pgdat, NR_ACTIVE_FILE) + - node_page_state(pgdat, NR_INACTIVE_FILE); - - for (z = 0; z < MAX_NR_ZONES; z++) { - struct zone *zone = &pgdat->node_zones[z]; - if (!managed_zone(zone)) - continue; - - total_high_wmark += high_wmark_pages(zone); - } - - /* - * Consider anon: if that's low too, this isn't a - * runaway file reclaim problem, but rather just - * extreme pressure. Reclaim as per usual then. - */ - anon = node_page_state(pgdat, NR_INACTIVE_ANON); - - sc->file_is_tiny = - file + free <= total_high_wmark && - !(sc->may_deactivate & DEACTIVATE_ANON) && - anon >> sc->priority; - } + prepare_scan_count(pgdat, sc); shrink_node_memcgs(pgdat, sc); -- 2.35.1.1094.g7c7d902a7c-goog
WARNING: multiple messages have this Message-ID (diff)
From: Yu Zhao <yuzhao@google.com> To: Stephen Rothwell <sfr@rothwell.id.au>, linux-mm@kvack.org Cc: "Andi Kleen" <ak@linux.intel.com>, "Andrew Morton" <akpm@linux-foundation.org>, "Aneesh Kumar" <aneesh.kumar@linux.ibm.com>, "Barry Song" <21cnbao@gmail.com>, "Catalin Marinas" <catalin.marinas@arm.com>, "Dave Hansen" <dave.hansen@linux.intel.com>, "Hillf Danton" <hdanton@sina.com>, "Jens Axboe" <axboe@kernel.dk>, "Jesse Barnes" <jsbarnes@google.com>, "Johannes Weiner" <hannes@cmpxchg.org>, "Jonathan Corbet" <corbet@lwn.net>, "Linus Torvalds" <torvalds@linux-foundation.org>, "Matthew Wilcox" <willy@infradead.org>, "Mel Gorman" <mgorman@suse.de>, "Michael Larabel" <Michael@michaellarabel.com>, "Michal Hocko" <mhocko@kernel.org>, "Mike Rapoport" <rppt@kernel.org>, "Rik van Riel" <riel@surriel.com>, "Vlastimil Babka" <vbabka@suse.cz>, "Will Deacon" <will@kernel.org>, "Ying Huang" <ying.huang@intel.com>, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, page-reclaim@google.com, x86@kernel.org, "Yu Zhao" <yuzhao@google.com>, "Barry Song" <baohua@kernel.org>, "Brian Geffon" <bgeffon@google.com>, "Jan Alexander Steffens" <heftig@archlinux.org>, "Oleksandr Natalenko" <oleksandr@natalenko.name>, "Steven Barrett" <steven@liquorix.net>, "Suleiman Souhlal" <suleiman@google.com>, "Daniel Byrne" <djbyrne@mtu.edu>, "Donald Carr" <d@chaos-reins.com>, "Holger Hoffstätte" <holger@applied-asynchrony.com>, "Konstantin Kharlamov" <Hi-Angel@yandex.ru>, "Shuang Zhai" <szhai2@cs.rochester.edu>, "Sofia Trinh" <sofia.trinh@edi.works>, "Vaibhav Jain" <vaibhav@linux.ibm.com> Subject: [PATCH v10 03/14] mm/vmscan.c: refactor shrink_node() Date: Wed, 6 Apr 2022 21:15:15 -0600 [thread overview] Message-ID: <20220407031525.2368067-4-yuzhao@google.com> (raw) In-Reply-To: <20220407031525.2368067-1-yuzhao@google.com> This patch refactors shrink_node() to improve readability for the upcoming changes to mm/vmscan.c. Signed-off-by: Yu Zhao <yuzhao@google.com> Reviewed-by: Barry Song <baohua@kernel.org> Acked-by: Brian Geffon <bgeffon@google.com> Acked-by: Jan Alexander Steffens (heftig) <heftig@archlinux.org> Acked-by: Oleksandr Natalenko <oleksandr@natalenko.name> Acked-by: Steven Barrett <steven@liquorix.net> Acked-by: Suleiman Souhlal <suleiman@google.com> Tested-by: Daniel Byrne <djbyrne@mtu.edu> Tested-by: Donald Carr <d@chaos-reins.com> Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com> Tested-by: Konstantin Kharlamov <Hi-Angel@yandex.ru> Tested-by: Shuang Zhai <szhai2@cs.rochester.edu> Tested-by: Sofia Trinh <sofia.trinh@edi.works> Tested-by: Vaibhav Jain <vaibhav@linux.ibm.com> --- mm/vmscan.c | 198 +++++++++++++++++++++++++++------------------------- 1 file changed, 104 insertions(+), 94 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 1678802e03e7..2232cb55af41 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2644,6 +2644,109 @@ enum scan_balance { SCAN_FILE, }; +static void prepare_scan_count(pg_data_t *pgdat, struct scan_control *sc) +{ + unsigned long file; + struct lruvec *target_lruvec; + + target_lruvec = mem_cgroup_lruvec(sc->target_mem_cgroup, pgdat); + + /* + * Flush the memory cgroup stats, so that we read accurate per-memcg + * lruvec stats for heuristics. + */ + mem_cgroup_flush_stats(); + + /* + * Determine the scan balance between anon and file LRUs. + */ + spin_lock_irq(&target_lruvec->lru_lock); + sc->anon_cost = target_lruvec->anon_cost; + sc->file_cost = target_lruvec->file_cost; + spin_unlock_irq(&target_lruvec->lru_lock); + + /* + * Target desirable inactive:active list ratios for the anon + * and file LRU lists. + */ + if (!sc->force_deactivate) { + unsigned long refaults; + + refaults = lruvec_page_state(target_lruvec, + WORKINGSET_ACTIVATE_ANON); + if (refaults != target_lruvec->refaults[0] || + inactive_is_low(target_lruvec, LRU_INACTIVE_ANON)) + sc->may_deactivate |= DEACTIVATE_ANON; + else + sc->may_deactivate &= ~DEACTIVATE_ANON; + + /* + * When refaults are being observed, it means a new + * workingset is being established. Deactivate to get + * rid of any stale active pages quickly. + */ + refaults = lruvec_page_state(target_lruvec, + WORKINGSET_ACTIVATE_FILE); + if (refaults != target_lruvec->refaults[1] || + inactive_is_low(target_lruvec, LRU_INACTIVE_FILE)) + sc->may_deactivate |= DEACTIVATE_FILE; + else + sc->may_deactivate &= ~DEACTIVATE_FILE; + } else + sc->may_deactivate = DEACTIVATE_ANON | DEACTIVATE_FILE; + + /* + * If we have plenty of inactive file pages that aren't + * thrashing, try to reclaim those first before touching + * anonymous pages. + */ + file = lruvec_page_state(target_lruvec, NR_INACTIVE_FILE); + if (file >> sc->priority && !(sc->may_deactivate & DEACTIVATE_FILE)) + sc->cache_trim_mode = 1; + else + sc->cache_trim_mode = 0; + + /* + * Prevent the reclaimer from falling into the cache trap: as + * cache pages start out inactive, every cache fault will tip + * the scan balance towards the file LRU. And as the file LRU + * shrinks, so does the window for rotation from references. + * This means we have a runaway feedback loop where a tiny + * thrashing file LRU becomes infinitely more attractive than + * anon pages. Try to detect this based on file LRU size. + */ + if (!cgroup_reclaim(sc)) { + unsigned long total_high_wmark = 0; + unsigned long free, anon; + int z; + + free = sum_zone_node_page_state(pgdat->node_id, NR_FREE_PAGES); + file = node_page_state(pgdat, NR_ACTIVE_FILE) + + node_page_state(pgdat, NR_INACTIVE_FILE); + + for (z = 0; z < MAX_NR_ZONES; z++) { + struct zone *zone = &pgdat->node_zones[z]; + + if (!managed_zone(zone)) + continue; + + total_high_wmark += high_wmark_pages(zone); + } + + /* + * Consider anon: if that's low too, this isn't a + * runaway file reclaim problem, but rather just + * extreme pressure. Reclaim as per usual then. + */ + anon = node_page_state(pgdat, NR_INACTIVE_ANON); + + sc->file_is_tiny = + file + free <= total_high_wmark && + !(sc->may_deactivate & DEACTIVATE_ANON) && + anon >> sc->priority; + } +} + /* * Determine how aggressively the anon and file LRU lists should be * scanned. The relative value of each set of LRU lists is determined @@ -3114,109 +3217,16 @@ static void shrink_node(pg_data_t *pgdat, struct scan_control *sc) unsigned long nr_reclaimed, nr_scanned; struct lruvec *target_lruvec; bool reclaimable = false; - unsigned long file; target_lruvec = mem_cgroup_lruvec(sc->target_mem_cgroup, pgdat); again: - /* - * Flush the memory cgroup stats, so that we read accurate per-memcg - * lruvec stats for heuristics. - */ - mem_cgroup_flush_stats(); - memset(&sc->nr, 0, sizeof(sc->nr)); nr_reclaimed = sc->nr_reclaimed; nr_scanned = sc->nr_scanned; - /* - * Determine the scan balance between anon and file LRUs. - */ - spin_lock_irq(&target_lruvec->lru_lock); - sc->anon_cost = target_lruvec->anon_cost; - sc->file_cost = target_lruvec->file_cost; - spin_unlock_irq(&target_lruvec->lru_lock); - - /* - * Target desirable inactive:active list ratios for the anon - * and file LRU lists. - */ - if (!sc->force_deactivate) { - unsigned long refaults; - - refaults = lruvec_page_state(target_lruvec, - WORKINGSET_ACTIVATE_ANON); - if (refaults != target_lruvec->refaults[0] || - inactive_is_low(target_lruvec, LRU_INACTIVE_ANON)) - sc->may_deactivate |= DEACTIVATE_ANON; - else - sc->may_deactivate &= ~DEACTIVATE_ANON; - - /* - * When refaults are being observed, it means a new - * workingset is being established. Deactivate to get - * rid of any stale active pages quickly. - */ - refaults = lruvec_page_state(target_lruvec, - WORKINGSET_ACTIVATE_FILE); - if (refaults != target_lruvec->refaults[1] || - inactive_is_low(target_lruvec, LRU_INACTIVE_FILE)) - sc->may_deactivate |= DEACTIVATE_FILE; - else - sc->may_deactivate &= ~DEACTIVATE_FILE; - } else - sc->may_deactivate = DEACTIVATE_ANON | DEACTIVATE_FILE; - - /* - * If we have plenty of inactive file pages that aren't - * thrashing, try to reclaim those first before touching - * anonymous pages. - */ - file = lruvec_page_state(target_lruvec, NR_INACTIVE_FILE); - if (file >> sc->priority && !(sc->may_deactivate & DEACTIVATE_FILE)) - sc->cache_trim_mode = 1; - else - sc->cache_trim_mode = 0; - - /* - * Prevent the reclaimer from falling into the cache trap: as - * cache pages start out inactive, every cache fault will tip - * the scan balance towards the file LRU. And as the file LRU - * shrinks, so does the window for rotation from references. - * This means we have a runaway feedback loop where a tiny - * thrashing file LRU becomes infinitely more attractive than - * anon pages. Try to detect this based on file LRU size. - */ - if (!cgroup_reclaim(sc)) { - unsigned long total_high_wmark = 0; - unsigned long free, anon; - int z; - - free = sum_zone_node_page_state(pgdat->node_id, NR_FREE_PAGES); - file = node_page_state(pgdat, NR_ACTIVE_FILE) + - node_page_state(pgdat, NR_INACTIVE_FILE); - - for (z = 0; z < MAX_NR_ZONES; z++) { - struct zone *zone = &pgdat->node_zones[z]; - if (!managed_zone(zone)) - continue; - - total_high_wmark += high_wmark_pages(zone); - } - - /* - * Consider anon: if that's low too, this isn't a - * runaway file reclaim problem, but rather just - * extreme pressure. Reclaim as per usual then. - */ - anon = node_page_state(pgdat, NR_INACTIVE_ANON); - - sc->file_is_tiny = - file + free <= total_high_wmark && - !(sc->may_deactivate & DEACTIVATE_ANON) && - anon >> sc->priority; - } + prepare_scan_count(pgdat, sc); shrink_node_memcgs(pgdat, sc); -- 2.35.1.1094.g7c7d902a7c-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-04-07 3:16 UTC|newest] Thread overview: 198+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-04-07 3:15 [PATCH v10 00/14] Multi-Gen LRU Framework Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-07 3:15 ` [PATCH v10 01/14] mm: x86, arm64: add arch_has_hw_pte_young() Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-07 3:15 ` [PATCH v10 02/14] mm: x86: add CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-07 3:15 ` Yu Zhao [this message] 2022-04-07 3:15 ` [PATCH v10 03/14] mm/vmscan.c: refactor shrink_node() Yu Zhao 2022-04-16 6:48 ` Miaohe Lin 2022-04-16 6:48 ` Miaohe Lin 2022-04-07 3:15 ` [PATCH v10 04/14] Revert "include/linux/mm_inline.h: fold __update_lru_size() into its sole caller" Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-16 6:50 ` Miaohe Lin 2022-04-16 6:50 ` Miaohe Lin 2022-04-07 3:15 ` [PATCH v10 05/14] mm: multi-gen LRU: groundwork Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-12 2:16 ` Andrew Morton 2022-04-12 2:16 ` Andrew Morton 2022-04-12 7:06 ` Peter Zijlstra 2022-04-12 7:06 ` Peter Zijlstra 2022-04-20 0:39 ` Yu Zhao 2022-04-20 0:39 ` Yu Zhao 2022-04-20 20:07 ` Linus Torvalds 2022-04-20 20:07 ` Linus Torvalds 2022-04-26 22:39 ` Yu Zhao 2022-04-26 22:39 ` Yu Zhao 2022-04-26 23:42 ` Andrew Morton 2022-04-26 23:42 ` Andrew Morton 2022-04-27 1:18 ` Yu Zhao 2022-04-27 1:18 ` Yu Zhao 2022-04-27 1:34 ` Andrew Morton 2022-04-27 1:34 ` Andrew Morton 2022-04-07 3:15 ` [PATCH v10 06/14] mm: multi-gen LRU: minimal implementation Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-14 6:03 ` Barry Song 2022-04-14 6:03 ` Barry Song 2022-04-14 20:36 ` Yu Zhao 2022-04-14 20:36 ` Yu Zhao 2022-04-14 21:39 ` Andrew Morton 2022-04-14 21:39 ` Andrew Morton 2022-04-14 22:14 ` Yu Zhao 2022-04-14 22:14 ` Yu Zhao 2022-04-15 10:15 ` Barry Song 2022-04-15 10:15 ` Barry Song 2022-04-15 20:17 ` Yu Zhao 2022-04-15 20:17 ` Yu Zhao 2022-04-15 10:26 ` Barry Song 2022-04-15 10:26 ` Barry Song 2022-04-15 20:18 ` Yu Zhao 2022-04-15 20:18 ` Yu Zhao 2022-04-14 11:47 ` Chen Wandun 2022-04-14 11:47 ` Chen Wandun 2022-04-14 20:53 ` Yu Zhao 2022-04-14 20:53 ` Yu Zhao 2022-04-15 2:23 ` Chen Wandun 2022-04-15 2:23 ` Chen Wandun 2022-04-15 5:25 ` Yu Zhao 2022-04-15 5:25 ` Yu Zhao 2022-04-15 6:31 ` Chen Wandun 2022-04-15 6:31 ` Chen Wandun 2022-04-15 6:44 ` Yu Zhao 2022-04-15 6:44 ` Yu Zhao 2022-04-15 9:27 ` Chen Wandun 2022-04-15 9:27 ` Chen Wandun 2022-04-18 9:58 ` Barry Song 2022-04-18 9:58 ` Barry Song 2022-04-19 0:53 ` Yu Zhao 2022-04-19 0:53 ` Yu Zhao 2022-04-19 4:25 ` Barry Song 2022-04-19 4:25 ` Barry Song 2022-04-19 4:36 ` Barry Song 2022-04-19 4:36 ` Barry Song 2022-04-19 22:25 ` Yu Zhao 2022-04-19 22:25 ` Yu Zhao 2022-04-19 22:20 ` Yu Zhao 2022-04-19 22:20 ` Yu Zhao 2022-04-07 3:15 ` [PATCH v10 07/14] mm: multi-gen LRU: exploit locality in rmap Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-27 4:32 ` Aneesh Kumar K.V 2022-04-27 4:32 ` Aneesh Kumar K.V 2022-04-27 4:38 ` Yu Zhao 2022-04-27 4:38 ` Yu Zhao 2022-04-27 5:31 ` Aneesh Kumar K V 2022-04-27 5:31 ` Aneesh Kumar K V 2022-04-27 6:00 ` Yu Zhao 2022-04-27 6:00 ` Yu Zhao 2022-04-07 3:15 ` [PATCH v10 08/14] mm: multi-gen LRU: support page table walks Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-12 2:16 ` Andrew Morton 2022-04-12 2:16 ` Andrew Morton 2022-04-12 7:10 ` Peter Zijlstra 2022-04-12 7:10 ` Peter Zijlstra 2022-04-15 5:30 ` Yu Zhao 2022-04-15 5:30 ` Yu Zhao 2022-04-15 1:14 ` Yu Zhao 2022-04-15 1:14 ` Yu Zhao 2022-04-15 1:56 ` Andrew Morton 2022-04-15 1:56 ` Andrew Morton 2022-04-15 6:25 ` Yu Zhao 2022-04-15 6:25 ` Yu Zhao 2022-04-15 19:15 ` Andrew Morton 2022-04-15 19:15 ` Andrew Morton 2022-04-15 20:11 ` Yu Zhao 2022-04-15 20:11 ` Yu Zhao 2022-04-15 21:32 ` Andrew Morton 2022-04-15 21:32 ` Andrew Morton 2022-04-15 21:36 ` Linus Torvalds 2022-04-15 21:36 ` Linus Torvalds 2022-04-15 22:57 ` Yu Zhao 2022-04-15 22:57 ` Yu Zhao 2022-04-15 23:03 ` Linus Torvalds 2022-04-15 23:03 ` Linus Torvalds 2022-04-15 23:24 ` [page-reclaim] " Jesse Barnes 2022-04-15 23:24 ` Jesse Barnes 2022-04-15 23:31 ` Matthew Wilcox 2022-04-15 23:31 ` Matthew Wilcox 2022-04-15 23:37 ` Jesse Barnes 2022-04-15 23:37 ` Jesse Barnes 2022-04-15 23:49 ` Yu Zhao 2022-04-15 23:49 ` Yu Zhao 2022-04-16 16:32 ` Justin Forbes 2022-04-16 16:32 ` Justin Forbes 2022-04-19 22:32 ` Yu Zhao 2022-04-19 22:32 ` Yu Zhao 2022-04-29 14:10 ` zhong jiang 2022-04-29 14:10 ` zhong jiang 2022-04-30 8:34 ` Yu Zhao 2022-04-30 8:34 ` Yu Zhao 2022-04-07 3:15 ` [PATCH v10 09/14] mm: multi-gen LRU: optimize multiple memcgs Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-07 3:15 ` [PATCH v10 10/14] mm: multi-gen LRU: kill switch Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-12 2:16 ` Andrew Morton 2022-04-12 2:16 ` Andrew Morton 2022-04-26 20:57 ` Yu Zhao 2022-04-26 20:57 ` Yu Zhao 2022-04-26 22:22 ` Andrew Morton 2022-04-26 22:22 ` Andrew Morton 2022-04-27 1:11 ` Yu Zhao 2022-04-27 1:11 ` Yu Zhao 2022-04-07 3:15 ` [PATCH v10 11/14] mm: multi-gen LRU: thrashing prevention Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-07 3:15 ` [PATCH v10 12/14] mm: multi-gen LRU: debugfs interface Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-12 2:16 ` Andrew Morton 2022-04-12 2:16 ` Andrew Morton 2022-04-16 0:03 ` Yu Zhao 2022-04-16 0:03 ` Yu Zhao 2022-04-16 4:20 ` Andrew Morton 2022-04-16 4:20 ` Andrew Morton 2022-04-26 6:59 ` Yu Zhao 2022-04-26 6:59 ` Yu Zhao 2022-04-26 21:30 ` Andrew Morton 2022-04-26 21:30 ` Andrew Morton 2022-04-26 22:15 ` Yu Zhao 2022-04-26 22:15 ` Yu Zhao 2022-04-07 3:15 ` [PATCH v10 13/14] mm: multi-gen LRU: admin guide Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-07 12:41 ` Bagas Sanjaya 2022-04-07 12:41 ` Bagas Sanjaya 2022-04-07 12:51 ` Jonathan Corbet 2022-04-07 12:51 ` Jonathan Corbet 2022-04-12 2:16 ` Andrew Morton 2022-04-12 2:16 ` Andrew Morton 2022-04-16 2:22 ` Yu Zhao 2022-04-16 2:22 ` Yu Zhao 2022-04-07 3:15 ` [PATCH v10 14/14] mm: multi-gen LRU: design doc Yu Zhao 2022-04-07 3:15 ` Yu Zhao 2022-04-07 11:39 ` Huang Shijie 2022-04-07 11:39 ` Huang Shijie 2022-04-07 12:41 ` Bagas Sanjaya 2022-04-07 12:41 ` Bagas Sanjaya 2022-04-07 12:52 ` Jonathan Corbet 2022-04-07 12:52 ` Jonathan Corbet 2022-04-08 4:48 ` Bagas Sanjaya 2022-04-08 4:48 ` Bagas Sanjaya 2022-04-12 2:16 ` Andrew Morton 2022-04-12 2:16 ` Andrew Morton 2022-04-26 7:42 ` Yu Zhao 2022-04-26 7:42 ` Yu Zhao 2022-04-07 3:24 ` [PATCH v10 00/14] Multi-Gen LRU Framework Yu Zhao 2022-04-07 3:24 ` Yu Zhao 2022-04-07 8:31 ` Stephen Rothwell 2022-04-07 8:31 ` Stephen Rothwell 2022-04-07 9:08 ` Yu Zhao 2022-04-07 9:08 ` Yu Zhao 2022-04-07 9:41 ` Yu Zhao 2022-04-07 9:41 ` Yu Zhao 2022-04-07 12:13 ` Stephen Rothwell 2022-04-07 12:13 ` Stephen Rothwell 2022-04-08 2:08 ` Yu Zhao 2022-04-08 2:08 ` Yu Zhao 2022-04-12 2:15 ` Andrew Morton 2022-04-12 2:15 ` Andrew Morton 2022-04-14 5:06 ` Andrew Morton 2022-04-14 5:06 ` Andrew Morton 2022-04-20 0:50 ` Yu Zhao 2022-04-20 0:50 ` Yu Zhao
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