From: Andrew Morton <akpm@osdl.org>
To: Rogier Wolff <R.E.Wolff@BitWizard.nl>
Cc: ahu@ds9a.nl, shesha@inostor.com, linux-kernel@vger.kernel.org,
kernelnewbies@nl.linux.org
Subject: Re: O_DIRECT
Date: Sun, 25 Jul 2004 18:24:45 -0700 [thread overview]
Message-ID: <20040725182445.5b49449f.akpm@osdl.org> (raw)
In-Reply-To: <20040724095629.GA9434@bitwizard.nl>
Rogier Wolff <R.E.Wolff@BitWizard.nl> wrote:
>
> The code
> we use is:
>
> p = malloc (blocksize + PAGE_SIZE);
> buf = (void *) (( ((long)p) + PAGE_SIZE -1 ) & ~(PAGE_SIZE-1));
memalign() and posix_memalign() will do this for you.
next prev parent reply other threads:[~2004-07-26 1:26 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-20 17:27 O_DIRECT Shesha Sreenivasamurthy
2004-07-20 18:48 ` O_DIRECT bert hubert
[not found] ` <40FD6FCB.5020408@inostor.com>
2004-07-20 20:17 ` O_DIRECT bert hubert
2004-07-21 0:10 ` O_DIRECT Rob van Nieuwkerk
2004-07-21 14:45 ` O_DIRECT Devel
[not found] ` <40FE9F3F.2090205@inostor.com>
2004-07-22 9:46 ` O_DIRECT Devel
2004-07-24 9:56 ` O_DIRECT Rogier Wolff
2004-07-26 1:24 ` Andrew Morton [this message]
2004-07-21 0:05 ` O_DIRECT Rob van Nieuwkerk
[not found] ` <40FEA382.8050700@inostor.com>
2004-07-21 17:20 ` O_DIRECT Rob van Nieuwkerk
[not found] ` <40FEAF70.4070407@inostor.com>
2004-07-21 18:15 ` O_DIRECT Rob van Nieuwkerk
2004-07-21 18:45 ` O_DIRECT Shesha Sreenivasamurthy
2004-07-21 23:18 ` O_DIRECT Shesha Sreenivasamurthy
2004-07-21 23:54 ` O_DIRECT Rob van Nieuwkerk
2004-07-22 0:00 ` O_DIRECT Shesha Sreenivasamurthy
2004-07-22 0:18 ` O_DIRECT Rob van Nieuwkerk
2004-07-22 0:48 ` O_DIRECT Shesha Sreenivasamurthy
-- strict thread matches above, loose matches on Subject: below --
2004-12-02 2:50 O_DIRECT Lever, Charles
2004-12-02 1:01 O_DIRECT Steve French
[not found] <200306262021.h5QKLhN10771@devserv.devel.redhat.com>
[not found] ` <1056706819.2418.11.camel@sisko.scot.redhat.com>
2003-06-27 10:35 ` O_DIRECT Stephen C. Tweedie
2003-06-27 11:07 ` O_DIRECT Alan Cox
[not found] <200208291113.g7TBDut26852@tench.street-vision.com>
2002-08-29 11:22 ` O_DIRECT Peter T. Breuer
2002-08-29 12:14 ` O_DIRECT Peter T. Breuer
2002-08-29 11:04 O_DIRECT Peter T. Breuer
2001-04-12 21:09 O_DIRECT Andrea Arcangeli
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