mm/slub.c: replace kmem_cache->cpu_partial with wrapped APIs (bbd4e305) · Commits · 戴 / test

mm/slub.c

+7 −7

Original line number	Original line	Diff line number	Diff line
	@@ -2282,7 +2282,7 @@ static void put_cpu_partial(struct kmem_cache s, struct page page, int drain)
	if (oldpage) {		if (oldpage) {
	pobjects = oldpage->pobjects;		pobjects = oldpage->pobjects;
	pages = oldpage->pages;		pages = oldpage->pages;
	if (drain && pobjects > s->cpu_partial) {		if (drain && pobjects > slub_cpu_partial(s)) {
	unsigned long flags;		unsigned long flags;
	/*		/*
	* partial array is full. Move the existing		* partial array is full. Move the existing
	@@ -2307,7 +2307,7 @@ static void put_cpu_partial(struct kmem_cache s, struct page page, int drain)

	} while (this_cpu_cmpxchg(s->cpu_slab->partial, oldpage, page)		} while (this_cpu_cmpxchg(s->cpu_slab->partial, oldpage, page)
	!= oldpage);		!= oldpage);
	if (unlikely(!s->cpu_partial)) {		if (unlikely(!slub_cpu_partial(s))) {
	unsigned long flags;		unsigned long flags;

	local_irq_save(flags);		local_irq_save(flags);
	@@ -3512,15 +3512,15 @@ static void set_cpu_partial(struct kmem_cache *s)
	* 50% to keep some capacity around for frees.		* 50% to keep some capacity around for frees.
	*/		*/
	if (!kmem_cache_has_cpu_partial(s))		if (!kmem_cache_has_cpu_partial(s))
	s->cpu_partial = 0;		slub_set_cpu_partial(s, 0);
	else if (s->size >= PAGE_SIZE)		else if (s->size >= PAGE_SIZE)
	s->cpu_partial = 2;		slub_set_cpu_partial(s, 2);
	else if (s->size >= 1024)		else if (s->size >= 1024)
	s->cpu_partial = 6;		slub_set_cpu_partial(s, 6);
	else if (s->size >= 256)		else if (s->size >= 256)
	s->cpu_partial = 13;		slub_set_cpu_partial(s, 13);
	else		else
	s->cpu_partial = 30;		slub_set_cpu_partial(s, 30);
	#endif		#endif
	}		}

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