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authorKefeng Wang <wangkefeng.wang@huawei.com>2023-09-21 15:44:17 +0800
committerAndrew Morton <akpm@linux-foundation.org>2023-10-16 15:44:38 -0700
commit8c9ae56dc73b5ae48a14000b96292bd4f2aeb710 (patch)
tree4e0109788f7f84d1d5b594af4ead0797b4d63f6c /include/linux/sched
parent75c70128a67311070115b90d826a229d4bbbb2b5 (diff)
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 <wangkefeng.wang@huawei.com> Cc: David Hildenbrand <david@redhat.com> Cc: "Huang, Ying" <ying.huang@intel.com> Cc: Hugh Dickins <hughd@google.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/sched')
-rw-r--r--include/linux/sched/numa_balancing.h6
1 files changed, 3 insertions, 3 deletions
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;
}