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From: Aaron Lu <aaron.lu@intel.com>
To: Mel Gorman <mgorman@techsingularity.net>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Michal Hocko <mhocko@kernel.org>,
	Jesper Dangaard Brouer <brouer@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>
Subject: Re: [PATCH 1/6] mm/page_alloc: Fetch the correct pcp buddy during bulk free
Date: Thu, 17 Feb 2022 09:43:09 +0800	[thread overview]
Message-ID: <Yg2oLQTRt0ZhEXar@ziqianlu-nuc9qn> (raw)
In-Reply-To: <20220217002227.5739-2-mgorman@techsingularity.net>

On Thu, Feb 17, 2022 at 12:22:22AM +0000, Mel Gorman wrote:
> free_pcppages_bulk() prefetches buddies about to be freed but the
> order must also be passed in as PCP lists store multiple orders.
> 
> Fixes: 44042b449872 ("mm/page_alloc: allow high-order pages to be stored on the per-cpu lists")
> Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
> Reviewed-by: Vlastimil Babka <vbabka@suse.cz>

Reviewed-by: Aaron Lu <aaron.lu@intel.com>

  reply	other threads:[~2022-02-17  1:43 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-17  0:22 [PATCH v2 0/6] Follow-up on high-order PCP caching Mel Gorman
2022-02-17  0:22 ` [PATCH 1/6] mm/page_alloc: Fetch the correct pcp buddy during bulk free Mel Gorman
2022-02-17  1:43   ` Aaron Lu [this message]
2022-02-17  0:22 ` [PATCH 2/6] mm/page_alloc: Track range of active PCP lists " Mel Gorman
2022-02-17  9:41   ` Vlastimil Babka
2022-02-17  0:22 ` [PATCH 3/6] mm/page_alloc: Simplify how many pages are selected per pcp list " Mel Gorman
2022-02-17  0:22 ` [PATCH 4/6] mm/page_alloc: Drain the requested list first " Mel Gorman
2022-02-17  9:42   ` Vlastimil Babka
2022-02-17  0:22 ` [PATCH 5/6] mm/page_alloc: Free pages in a single pass " Mel Gorman
2022-02-17  1:53   ` Aaron Lu
2022-02-17  8:49     ` Aaron Lu
2022-02-17  9:31     ` Mel Gorman
2022-02-18  4:20       ` Aaron Lu
2022-02-18  9:20         ` Mel Gorman
2022-02-21 13:38         ` Aaron Lu
2022-02-23 11:30           ` Aaron Lu
2022-02-23 13:05             ` Mel Gorman
2022-02-24  1:34               ` Lu, Aaron
2022-02-18  6:07   ` Aaron Lu
2022-02-18  9:47     ` Mel Gorman
2022-02-18 12:13       ` Aaron Lu
2022-02-17  0:22 ` [PATCH 6/6] mm/page_alloc: Limit number of high-order pages on PCP " Mel Gorman

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