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From: Dipankar Sarma <dipankar@in.ibm.com>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	linux-kernel@vger.kernel.org, torvalds@osdl.org, akpm@osdl.org
Subject: Re: [PATCH] reorder struct files_struct
Date: Thu, 15 Sep 2005 10:24:40 +0530	[thread overview]
Message-ID: <20050915045440.GE6237@in.ibm.com> (raw)
In-Reply-To: <4328B013.1010400@cosmosbay.com>

On Thu, Sep 15, 2005 at 01:19:47AM +0200, Eric Dumazet wrote:
> Dipankar Sarma a écrit :
> >On Thu, Sep 15, 2005 at 12:42:03AM +0200, Eric Dumazet wrote:
> >
> >>Dipankar Sarma a écrit :
> 
> >>If yes, the whole embedded struct fdtable is readonly.
> >
> >
> >But not close_on_exec_init or open_fds_init. We would update them
> >on open/close.
> 
> Yes, sure, but those fields are not part of the embedded struct fdtable

Those fdsets would share a cache line with fdt, fdtable which would
be invalidated on open/close. So, what is the point in moving
file_lock ?

Thanks
Dipankar

  reply	other threads:[~2005-09-15  5:00 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-14 18:31 [PATCH]: Brown paper bag in fs/file.c? David S. Miller
2005-09-14 18:48 ` David S. Miller
2005-09-14 19:05   ` David S. Miller
2005-09-14 19:18 ` Dipankar Sarma
2005-09-14 19:57   ` David S. Miller
2005-09-14 20:15     ` Dipankar Sarma
2005-09-14 20:29       ` David S. Miller
2005-09-14 21:17         ` [PATCH] reorder struct files_struct Eric Dumazet
2005-09-14 21:35           ` Peter Staubach
2005-09-14 22:02           ` Dipankar Sarma
2005-09-14 22:17             ` Andrew Morton
2005-09-14 22:42             ` Eric Dumazet
2005-09-14 22:50               ` Dipankar Sarma
2005-09-14 23:19                 ` Eric Dumazet
2005-09-15  4:54                   ` Dipankar Sarma [this message]
2005-09-15  6:17                     ` Eric Dumazet
2005-09-15  9:35                       ` Dipankar Sarma
2005-09-15 17:11                         ` Eric Dumazet
2005-09-15 21:06       ` [PATCH]: Brown paper bag in fs/file.c? David S. Miller

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