netdev - Re: [PATCH 08/18] flag parameters: epoll

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Message-ID: <Pine.LNX.4.64.0805061540560.25162@alien.or.mcafeemobile.com>
Date:	Tue, 6 May 2008 15:41:51 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Matthew Helsley <matthltc@...ibm.com>
cc:	Ulrich Drepper <drepper@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>,
	mtk.manpages@...il.com,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 08/18] flag parameters: epoll_create

On Tue, 6 May 2008, Matthew Helsley wrote:

> 
> On Sun, 2008-05-04 at 23:42 -0400, Ulrich Drepper wrote:
> > This patch adds the new epoll_create2 syscall.  It extends the old epoll_create
> > syscall by one parameter which is meant to hold a flag value.  In this
> > patch the only flag support is EPOLL_CLOEXEC which causes the close-on-exec
> > flag for the returned file descriptor to be set.
> 
> Davide, Ulrich,
> 
> 	A minor question: Why did you choose to pass the seemingly useless
> "size" parameter into the new epoll_create2 system call? I did some
> googling for previous threads with this series and couldn't find a
> discussion on why you chose to keep it.

The very first implementations were using an hash, and that was a size 
hint.



- Davide


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