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Re: [PATCH] TX_RING and packet mmap

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From: Evgeniy Polyakov
Subject: Re: [PATCH] TX_RING and packet mmap
Date: Sunday, April 12, 2009 - 3:32 am

Hi Johann.
Sorry for long reply.

On Sun, Apr 12, 2009 at 12:27:04PM +0200, Johann Baudy (johann.baudy@gnu-log.net) wrote:

Page itself will live until destruction time, when skb is linearized
page is freed, so your own destructor will find that given page is no
longer used, and appropriate memory area can be overwritten.

When skb is cloned, page is untouched, only shared info reference
counter is increased.

-- 
	Evgeniy Polyakov
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Messages in current thread:
Re: [PATCH] TX_RING and packet mmap, jamal, (Tue Apr 7, 1:56 pm)
Re: [PATCH] TX_RING and packet mmap, Evgeniy Polyakov, (Tue Apr 7, 2:11 pm)
Re: [PATCH] TX_RING and packet mmap, Johann Baudy, (Wed Apr 8, 2:06 pm)
Re: [PATCH] TX_RING and packet mmap, Johann Baudy, (Sun Apr 12, 3:27 am)
Re: [PATCH] TX_RING and packet mmap, Evgeniy Polyakov, (Sun Apr 12, 3:32 am)
Re: [PATCH] TX_RING and packet mmap, Johann Baudy, (Sun Apr 12, 4:23 am)
Re: [PATCH] TX_RING and packet mmap, Evgeniy Polyakov, (Sun Apr 12, 7:24 am)
Re: [PATCH] TX_RING and packet mmap, Johann Baudy, (Sun Apr 12, 12:27 pm)
Re: [PATCH] TX_RING and packet mmap, Evgeniy Polyakov, (Sun Apr 12, 12:52 pm)
Re: [PATCH] TX_RING and packet mmap, Johann Baudy, (Sun Apr 12, 1:30 pm)
Re: [PATCH] TX_RING and packet mmap, Evgeniy Polyakov, (Sun Apr 12, 1:53 pm)
Re: [PATCH] TX_RING and packet mmap, Johann Baudy, (Sun Apr 12, 4:31 pm)
Re: [PATCH] TX_RING and packet mmap, Evgeniy Polyakov, (Wed Apr 15, 12:10 am)
Re: [PATCH] TX_RING and packet mmap, Johann Baudy, (Wed Apr 15, 6:14 am)
Re: [PATCH] TX_RING and packet mmap, Evgeniy Polyakov, (Thu Apr 16, 4:16 am)
Re: [PATCH] TX_RING and packet mmap, Johann Baudy, (Sat Apr 18, 2:38 pm)
Re: [PATCH] TX_RING and packet mmap, Evgeniy Polyakov, (Tue Apr 21, 2:41 am)
Re: [PATCH] TX_RING and packet mmap, Johann Baudy, (Tue Apr 21, 6:16 am)
Re: [PATCH] TX_RING and packet mmap, Evgeniy Polyakov, (Tue Apr 21, 6:56 am)