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From: "David S. Miller" <davem@redhat.com>
To: SANTOSH ABRAHAM <santosha@india.hp.com>
Cc: willy@debian.org, sct@redhat.com, santosh.abraham@hp.com,
	randolph@tausq.org, parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] Fwd:  Problems with raw interface.
Date: Fri, 26 Sep 2003 05:56:52 -0700	[thread overview]
Message-ID: <20030926055652.32ddbbc2.davem@redhat.com> (raw)
In-Reply-To: <200309261311.SAA27414@redsea.india.hp.com>

On Fri, 26 Sep 2003 18:41:41 +0530 (IST)
SANTOSH ABRAHAM <santosha@india.hp.com> wrote:

> The problem in this case is page->mapping is NULL. 

When page->mapping is NULL, flush_dcache_page() should purge the page
(by physical addres) from it's caches.  This is what sparc64 does.

Flushing just the current address space is incorrect, so don't get the
fancy idea to pass the 'mm' and 'va' into flush_dcache_page().

  reply	other threads:[~2003-09-26 13:14 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-09-25 10:38 [parisc-linux] Fwd: Problems with raw interface Santosh Abraham
2003-09-25 10:50 ` Randolph Chung
2003-09-25 11:19   ` Santosh Abraham
2003-09-25 14:26     ` Matthew Wilcox
2003-09-26  1:08       ` David S. Miller
2003-09-26 11:24         ` Matthew Wilcox
2003-09-26 11:20           ` David S. Miller
2003-09-26 11:57             ` Stephen C. Tweedie
2003-09-26 11:48               ` David S. Miller
2003-09-26 12:20                 ` Matthew Wilcox
2003-09-26 12:38                   ` David S. Miller
2003-09-26 13:11                     ` SANTOSH ABRAHAM
2003-09-26 12:56                       ` David S. Miller [this message]
2003-09-26 13:29                         ` Matthew Wilcox
2003-09-26 13:21                           ` David S. Miller
2003-09-26 14:09                             ` Matthew Wilcox
2003-09-26 14:04                               ` David S. Miller
2003-09-26 14:30                                 ` Matthew Wilcox
2003-09-26 14:20                                   ` David S. Miller
2003-09-26 14:42                                     ` Stephen C. Tweedie
2003-09-26 14:26                               ` Stephen C. Tweedie
2003-09-26 11:47           ` Santosh Abraham
2003-09-26 10:42       ` Santosh Abraham
2003-09-26 10:34         ` David S. Miller
2003-09-26 12:12           ` Santosh Abraham

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