From: Linus Torvalds <torvalds@osdl.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linux-mm@kvack.org, Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] page fault retry with NOPAGE_RETRY
Date: Thu, 14 Sep 2006 17:19:16 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0609141718090.4388@g5.osdl.org> (raw)
In-Reply-To: <1158274508.14473.88.camel@localhost.localdomain>
On Fri, 15 Sep 2006, Benjamin Herrenschmidt wrote:
>
> This wait is interruptible. However, we have no way to fail "gracefully"
> from no_page() if the routine we use underneath returns a failure due to
> a signal (we use, logically, -EINTR). It's a generic issue with no_page
> handlers. They can either wait non-interruptibly, or fail with a sigbus
> or oom result.
I certainly personally have nothing against adding a NOPAGE_RETRY, it
seems very straightforward.
Linus
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next prev parent reply other threads:[~2006-09-15 0:19 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-14 22:55 Benjamin Herrenschmidt
2006-09-15 0:19 ` Linus Torvalds [this message]
2006-09-15 7:11 ` Andrew Morton
2006-09-15 7:35 ` Andrew Morton
2006-09-15 13:30 ` Hugh Dickins
2006-09-16 1:03 ` Benjamin Herrenschmidt
2006-09-19 23:35 ` Mike Waychison
2006-09-19 23:50 ` Benjamin Herrenschmidt
2006-09-19 23:59 ` Andrew Morton
2006-09-20 0:06 ` Benjamin Herrenschmidt
2006-09-20 0:05 ` Benjamin Herrenschmidt
2006-09-20 0:21 ` Andrew Morton
2006-09-20 1:57 ` Benjamin Herrenschmidt
2006-09-20 3:05 ` Andrew Morton
2006-09-20 5:04 ` Benjamin Herrenschmidt
2006-09-20 5:26 ` Andrew Morton
2006-09-20 6:54 ` Benjamin Herrenschmidt
2006-09-20 17:53 ` Andrew Morton
2006-09-21 22:05 ` Benjamin Herrenschmidt
2006-09-21 22:41 ` Andrew Morton
2006-09-21 23:09 ` Benjamin Herrenschmidt
2006-09-23 14:21 ` Hugh Dickins
2006-09-23 19:46 ` Andrew Morton
2006-09-23 22:35 ` Benjamin Herrenschmidt
2006-09-20 5:06 ` Benjamin Herrenschmidt
2006-09-20 1:14 ` Mike Waychison
2006-09-20 2:02 ` Benjamin Herrenschmidt
2006-09-15 21:35 ` Arnd Bergmann
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