From 8c9ae56dc73b5ae48a14000b96292bd4f2aeb710 Mon Sep 17 00:00:00 2001 From: Kefeng Wang Date: Thu, 21 Sep 2023 15:44:17 +0800 Subject: sched/numa, mm: make numa migrate functions to take a folio The cpupid (or access time) is stored in the head page for THP, so it is safely to make should_numa_migrate_memory() and numa_hint_fault_latency() to take a folio. This is in preparation for large folio numa balancing. Link: https://lkml.kernel.org/r/20230921074417.24004-7-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang Cc: David Hildenbrand Cc: "Huang, Ying" Cc: Hugh Dickins Cc: Matthew Wilcox (Oracle) Cc: Mike Kravetz Cc: Zi Yan Signed-off-by: Andrew Morton --- include/linux/sched/numa_balancing.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'include/linux/sched/numa_balancing.h') diff --git a/include/linux/sched/numa_balancing.h b/include/linux/sched/numa_balancing.h index 3988762efe15..06a9d35650f0 100644 --- a/include/linux/sched/numa_balancing.h +++ b/include/linux/sched/numa_balancing.h @@ -20,8 +20,8 @@ extern void task_numa_fault(int last_node, int node, int pages, int flags); extern pid_t task_numa_group_id(struct task_struct *p); extern void set_numabalancing_state(bool enabled); extern void task_numa_free(struct task_struct *p, bool final); -extern bool should_numa_migrate_memory(struct task_struct *p, struct page *page, - int src_nid, int dst_cpu); +bool should_numa_migrate_memory(struct task_struct *p, struct folio *folio, + int src_nid, int dst_cpu); #else static inline void task_numa_fault(int last_node, int node, int pages, int flags) @@ -38,7 +38,7 @@ static inline void task_numa_free(struct task_struct *p, bool final) { } static inline bool should_numa_migrate_memory(struct task_struct *p, - struct page *page, int src_nid, int dst_cpu) + struct folio *folio, int src_nid, int dst_cpu) { return true; } -- cgit v1.2.3