From: Dave Hansen <dave.hansen@intel.com>
To: Aaron Lu <aaron.lu@intel.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
"Paweł Staszewski" <pstaszewski@itcare.pl>,
"Jesper Dangaard Brouer" <brouer@redhat.com>,
"Eric Dumazet" <eric.dumazet@gmail.com>,
"Tariq Toukan" <tariqt@mellanox.com>,
"Ilias Apalodimas" <ilias.apalodimas@linaro.org>,
"Yoel Caspersen" <yoel@kviknet.dk>,
"Mel Gorman" <mgorman@techsingularity.net>,
"Saeed Mahameed" <saeedm@mellanox.com>,
"Michal Hocko" <mhocko@suse.com>,
"Vlastimil Babka" <vbabka@suse.cz>,
"Dave Hansen" <dave.hansen@linux.intel.com>
Subject: Re: [PATCH 1/2] mm/page_alloc: free order-0 pages through PCP in page_frag_free()
Date: Mon, 5 Nov 2018 08:37:57 -0800 [thread overview]
Message-ID: <f2d00eca-e40b-c0e9-5aae-a9a8105169b1@intel.com> (raw)
In-Reply-To: <20181105085820.6341-1-aaron.lu@intel.com>
On 11/5/18 12:58 AM, Aaron Lu wrote:
> - if (unlikely(put_page_testzero(page)))
> - __free_pages_ok(page, compound_order(page));
> + if (unlikely(put_page_testzero(page))) {
> + unsigned int order = compound_order(page);
> +
> + if (order == 0)
> + free_unref_page(page);
> + else
> + __free_pages_ok(page, order);
> + }
> }
This little hunk seems repeated in __free_pages() and
__page_frag_cache_drain(). Do we need a common helper?
next prev parent reply other threads:[~2018-11-05 16:37 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-05 8:58 [PATCH 1/2] mm/page_alloc: free order-0 pages through PCP in page_frag_free() Aaron Lu
2018-11-05 8:58 ` [PATCH 2/2] mm/page_alloc: use a single function to free page Aaron Lu
2018-11-05 16:39 ` Dave Hansen
2018-11-06 5:30 ` [PATCH v2 " Aaron Lu
2018-11-06 8:16 ` Vlastimil Babka
2018-11-06 8:47 ` Aaron Lu
2018-11-06 9:32 ` Vlastimil Babka
2018-11-06 11:20 ` Aaron Lu
2018-11-06 11:31 ` [PATCH v3 " Aaron Lu
2018-11-06 12:06 ` Vlastimil Babka
2018-11-05 9:26 ` [PATCH 1/2] mm/page_alloc: free order-0 pages through PCP in page_frag_free() Vlastimil Babka
2018-11-05 9:26 ` Mel Gorman
2018-11-05 9:55 ` Jesper Dangaard Brouer
2018-11-05 10:46 ` Ilias Apalodimas
2018-11-05 15:44 ` Alexander Duyck
2018-11-10 23:54 ` Paweł Staszewski
2018-11-11 23:05 ` Alexander Duyck
2018-11-12 0:39 ` Paweł Staszewski
2018-11-12 15:30 ` Alexander Duyck
2018-11-12 15:44 ` Eric Dumazet
2018-11-12 17:06 ` Paweł Staszewski
2018-11-12 17:01 ` Paweł Staszewski
2018-11-05 16:37 ` Dave Hansen [this message]
2018-11-06 5:28 ` [PATCH v2 " Aaron Lu
2018-11-07 9:59 ` Tariq Toukan
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