From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Switching TestSetPageLocked to trylock_page
Date: Tue, 05 Aug 2008 14:01:59 +1000 [thread overview]
Message-ID: <1217908919.24157.148.camel@pasglop> (raw)
In-Reply-To: <20080804205754.b05c8aa9.akpm@linux-foundation.org>
> Yup. A mechanical rename-foo-to-bar can be prepared and merged late -
> there's little payback for the pain of maintaining it for a couple of
> months.
>
> Would prefer either that we hold off until after 2.6.27 is released or
> just do it now.
I'd like to have the performance improvement on powerpc in 2.6.27 :-)
I've always hated the way we abused bitops as locks, it's terribly
inefficient for us, so that's a nice cleanup as far as I'm concerned.
Cheers,
Ben.
next prev parent reply other threads:[~2008-08-05 4:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-31 7:26 Switching TestSetPageLocked to trylock_page Nick Piggin
2008-07-31 7:38 ` KOSAKI Motohiro
2008-07-31 9:33 ` Peter Zijlstra
2008-08-05 3:14 ` Nick Piggin
2008-08-05 3:28 ` Linus Torvalds
2008-08-05 3:41 ` Nick Piggin
2008-08-05 3:57 ` Andrew Morton
2008-08-05 4:01 ` Benjamin Herrenschmidt [this message]
2008-08-05 4:18 ` Nick Piggin
2008-08-05 4:09 ` Nick Piggin
2008-08-05 4:32 ` Linus Torvalds
2008-08-05 4:44 ` Nick Piggin
2008-08-05 4:57 ` Linus Torvalds
2008-08-05 5:09 ` Nick Piggin
2008-08-05 4:25 ` Linus Torvalds
2008-08-05 4:46 ` Nick Piggin
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