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From: Christoph Hellwig <hch@infradead.org>
To: Tim Bird <tim.bird@am.sony.com>
Cc: Greg KH <greg@kroah.com>,
	Alessio Igor Bogani <abogani@kernel.org>,
	Rusty Russell <rusty@rustcorp.com.au>,
	Anders Kaseorg <andersk@ksplice.com>,
	Tim Abbott <tabbott@ksplice.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux Embedded <linux-embedded@vger.kernel.org>,
	Jason Wessel <jason.wessel@windriver.com>,
	Dirk Behme <dirk.behme@googlemail.com>
Subject: Re: [PATCH] module: Use binary search in lookup_symbol()
Date: Wed, 18 May 2011 03:54:28 -0400	[thread overview]
Message-ID: <20110518075428.GA29998@infradead.org> (raw)
In-Reply-To: <4DD305B3.3000707@am.sony.com>

On Tue, May 17, 2011 at 04:33:07PM -0700, Tim Bird wrote:
> That said, I can answer Greg's question.  This is to speed up
> the symbol resolution on module loading.  The last numbers I
> saw showed a reduction of about 15-20% for the module load
> time, for large-ish modules.  Of course this is highly dependent
> on the size of the modules, what they do at load time, and how many
> symbols are looked up to link them into the kernel.

How large are these very large modules, and what are good examples for
that?  And why do people overly care for the load time?


  reply	other threads:[~2011-05-18  7:54 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-03 20:42 [PATCH] module: Use binary search in lookup_symbol() Alessio Igor Bogani
2011-05-04 15:34 ` Dirk Behme
2011-05-04 17:30   ` Alessio Igor Bogani
2011-05-16 15:36 ` Dirk Behme
2011-05-16 18:02   ` Anders Kaseorg
2011-05-16 20:23     ` Alessio Igor Bogani
2011-05-16 21:01       ` Joe Perches
2011-05-16 21:08         ` Joe Perches
2011-05-17  3:52       ` Rusty Russell
2011-05-17 19:18         ` Dirk Behme
2011-05-17 19:41           ` Alessio Igor Bogani
2011-05-17 20:56             ` Alessio Igor Bogani
2011-05-17 23:22               ` Greg KH
2011-05-17 23:33                 ` Tim Bird
2011-05-18  7:54                   ` Christoph Hellwig [this message]
2011-05-18 17:00                     ` Tim Bird
2011-05-18 19:21                       ` Greg KH
2011-05-18 21:10                         ` module boot time (was Re: [PATCH] module: Use binary search in lookup_symbol()) Tim Bird
2011-05-18 21:34                           ` Greg KH
2011-05-19 19:56                             ` Jeff Mahoney
2011-05-20 21:29                               ` Tim Bird
2011-05-21 14:23                                 ` Jeff Mahoney
2011-05-18 18:55                   ` Alessio Igor Bogani
2011-05-18 18:55                     ` (unknown), Alessio Igor Bogani
2011-05-18 19:22                     ` your mail Greg KH
2011-05-18 20:35                       ` Alessio Igor Bogani
2011-05-18 20:35                         ` [PATCH] module: Use binary search in lookup_symbol() Alessio Igor Bogani
2011-05-18  1:07                 ` Rusty Russell
2011-05-18 15:26               ` Dirk Behme
2011-05-19  7:26                 ` Rusty Russell
2011-05-18  1:10           ` Rusty Russell

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