From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [patch 0/6] lockless pagecache From: Peter Zijlstra In-Reply-To: <20071111084556.GC19816@wotan.suse.de> References: <20071111084556.GC19816@wotan.suse.de> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-6j3DAuVr16RfmFnb9bBQ" Date: Sat, 17 Nov 2007 10:48:11 +0100 Message-Id: <1195292891.6739.1.camel@twins> Mime-Version: 1.0 Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Andrew Morton , Linus Torvalds , Hugh Dickins , Linux Memory Management List List-ID: --=-6j3DAuVr16RfmFnb9bBQ Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sun, 2007-11-11 at 09:45 +0100, Nick Piggin wrote: > Hi, >=20 > I wonder what everyone thinks about getting the lockless pagecache patch > into -mm? This version uses Hugh's suggestion to avoid a smp_rmb and a lo= ad > and branch in the lockless lookup side, and avoids some atomic ops in the > reclaim path, and avoids using a page flag! The coolest thing about it is > that it speeds up single-threaded pagecache lookups... >=20 > Patches are against latest git for RFC. Full set Acked-by: Peter Zijlstra --=-6j3DAuVr16RfmFnb9bBQ Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQBHPrjbXA2jU0ANEf4RAl66AJ98XMyF2iRPRnTeTtbm14k9n9GA5wCaAwBo s7/gSESMbuBxQamIQ/X8q0o= =GGLN -----END PGP SIGNATURE----- --=-6j3DAuVr16RfmFnb9bBQ-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org