From: Eric Dumazet <eric.dumazet@gmail.com>
To: Alexander Duyck <alexander.h.duyck@redhat.com>
Cc: linux-mm@kvack.org, netdev@vger.kernel.org,
akpm@linux-foundation.org, davem@davemloft.net
Subject: Re: [net-next PATCH 1/6] net: Add skb_free_frag to replace use of put_page in freeing skb->head
Date: Mon, 04 May 2015 17:16:43 -0700 [thread overview]
Message-ID: <1430785003.27254.20.camel@edumazet-glaptop2.roam.corp.google.com> (raw)
In-Reply-To: <20150504231448.1538.84164.stgit@ahduyck-vm-fedora22>
On Mon, 2015-05-04 at 16:14 -0700, Alexander Duyck wrote:
> This change adds a function called skb_free_frag which is meant to
> compliment the function __alloc_page_frag. The general idea is to enable a
> more lightweight version of page freeing since we don't actually need all
> the overhead of a put_page, and we don't quite fit the model of __free_pages.
Could you describe what are the things that put_page() handle that we
don't need for skb frags ?
It looks the change could benefit to other users (outside of networking)
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next prev parent reply other threads:[~2015-05-05 0:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-04 23:14 [net-next PATCH 0/6] Add skb_free_frag to replace put_page(virt_to_head_page(ptr)) Alexander Duyck
2015-05-04 23:14 ` [net-next PATCH 1/6] net: Add skb_free_frag to replace use of put_page in freeing skb->head Alexander Duyck
2015-05-05 0:16 ` Eric Dumazet [this message]
2015-05-05 2:49 ` Alexander Duyck
2015-05-06 19:38 ` Andrew Morton
2015-05-06 20:27 ` Alexander Duyck
2015-05-06 20:41 ` Andrew Morton
2015-05-06 20:55 ` Alexander Duyck
2015-05-04 23:14 ` [net-next PATCH 2/6] netcp: Replace put_page(virt_to_head_page(ptr)) w/ skb_free_frag Alexander Duyck
2015-05-04 23:14 ` [net-next PATCH 3/6] mvneta: " Alexander Duyck
2015-05-04 23:15 ` [net-next PATCH 4/6] e1000: Replace e1000_free_frag with skb_free_frag Alexander Duyck
2015-05-05 0:28 ` Jeff Kirsher
2015-05-04 23:15 ` [net-next PATCH 5/6] hisilicon: Replace put_page(virt_to_head_page()) with skb_free_frag() Alexander Duyck
2015-05-04 23:15 ` [net-next PATCH 6/6] bnx2x, tg3: " Alexander Duyck
2015-05-05 23:28 ` [net-next PATCH 0/6] Add skb_free_frag to replace put_page(virt_to_head_page(ptr)) David Miller
-- strict thread matches above, loose matches on Subject: below --
2015-05-04 23:09 [net-next PATCH 1/6] net: Add skb_free_frag to replace use of put_page in freeing skb->head Alexander Duyck
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