VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Vlastimil Babka <vbabka@suse.cz> 2021-06-03 19:17:42 +0200 committer: Vlastimil Babka <vbabka@suse.cz> 2021-09-04 01:12:22 +0200 commit: 08beb547a1f7b66fbeaf40f2d3675a3ea0060c0b parent: 0e7ac738f785e695acfa1203a87f6a505305542a
Commit Summary:
mm, slab: split out the cpu offline variant of flush_slab()
Diffstat:
1 file changed, 9 insertions, 2 deletions
diff --git a/mm/slub.c b/mm/slub.c
index c4a9b8901576..fa9a366d2d9c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2511,9 +2511,17 @@ static inline void flush_slab(struct kmem_cache *s, struct kmem_cache_cpu *c)
 static inline void __flush_cpu_slab(struct kmem_cache *s, int cpu)
 {
 	struct kmem_cache_cpu *c = per_cpu_ptr(s->cpu_slab, cpu);
+	void *freelist = c->freelist;
+	struct page *page = c->page;
 
-	if (c->page)
-		flush_slab(s, c);
+	c->page = NULL;
+	c->freelist = NULL;
+	c->tid = next_tid(c->tid);
+
+	if (page) {
+		deactivate_slab(s, page, freelist);
+		stat(s, CPUSLAB_FLUSH);
+	}
 
 	unfreeze_partials_cpu(s, c);
 }