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

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Date:	Tue, 6 May 2008 16:20:00 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Michael Kerrisk <mtk.manpages@...glemail.com>
cc:	Matthew Helsley <matthltc@...ibm.com>,
	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 Wed, 7 May 2008, Michael Kerrisk wrote:

> On Wed, May 7, 2008 at 12:41 AM, Davide Libenzi <davidel@...ilserver.org> wrote:
> >
> > 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.
> 
> So, why not simply remove this argument in the new API, since it is now useless?

I'm more than OK with that.



- Davide


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