From: Pavel Machek <pavel@ucw.cz>
To: "Adam J. Richter" <adam@yggdrasil.com>
Cc: davem@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: Does pci_alloc_consisent really need to zero memory?
Date: Mon, 3 Jun 2002 18:45:17 +0200 [thread overview]
Message-ID: <20020603164517.GA3320@elf.ucw.cz> (raw)
In-Reply-To: <200205301141.EAA15864@baldur.yggdrasil.com>
Hi!
> >pci_alloc_consistent is so rare, I doubt it [clearing the memory it
> >returns] matters performance wise.
>
> In my efforts to port almost all of the scsi drivers to your
> DMA-mapping interface, I have converted some kmalloc's that
> are frequently called with pci_alloc_consistent (I have not
...
maybe invent __pci_alloc_consistent which does no zeroing?
Pavel
--
(about SSSCA) "I don't say this lightly. However, I really think that the U.S.
no longer is classifiable as a democracy, but rather as a plutocracy." --hpa
next prev parent reply other threads:[~2002-06-03 19:05 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-30 11:41 Does pci_alloc_consisent really need to zero memory? Adam J. Richter
2002-05-30 11:30 ` David S. Miller
2002-06-03 16:45 ` Pavel Machek [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-05-30 9:11 Adam J. Richter
2002-05-30 9:49 ` David S. Miller
2002-05-30 11:05 ` Emmanuel Michon
2002-05-30 10:54 ` David S. Miller
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