From: Paul Mackerras <paulus@samba.org>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Steven Rostedt <rostedt@goodmis.org>,
LKML <linux-kernel@vger.kernel.org>,
linuxppc-dev@ozlabs.org,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: Large stack usage in fs code (especially for PPC64)
Date: Tue, 18 Nov 2008 22:44:46 +1100 [thread overview]
Message-ID: <18722.43694.861169.946743@cargo.ozlabs.ibm.com> (raw)
In-Reply-To: <200811182124.33141.nickpiggin@yahoo.com.au>
Nick Piggin writes:
> It's much harder to do this with powerpc I think because they would need
> to calculate 8 hashes and touch 8 cachelines to prefill 8 translations,
> wouldn't they?
Yeah, the hashed page table sucks. Film at 11, as they say. :)
Paul.
next prev parent reply other threads:[~2008-11-18 11:45 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-17 20:34 Steven Rostedt
2008-11-17 20:59 ` Steven Rostedt
2008-11-17 21:18 ` Linus Torvalds
2008-11-17 21:25 ` Pekka Enberg
2008-11-18 0:54 ` Steven Rostedt
2008-11-18 1:05 ` Paul Mackerras
2008-11-18 1:41 ` Steven Rostedt
2008-11-18 2:01 ` Steven Rostedt
2008-11-17 22:16 ` Paul Mackerras
2008-11-17 23:30 ` Steven Rostedt
2008-11-17 23:04 ` Benjamin Herrenschmidt
2008-11-18 2:29 ` Steven Rostedt
2008-11-18 2:36 ` Paul Mackerras
2008-11-18 5:40 ` David Miller
2008-11-17 21:08 ` Andrew Morton
2008-11-17 21:23 ` Linus Torvalds
2008-11-17 21:31 ` Andrew Morton
2008-11-17 21:42 ` Linus Torvalds
2008-11-17 23:17 ` Benjamin Herrenschmidt
2008-11-17 21:09 ` Linus Torvalds
2008-11-17 22:53 ` Paul Mackerras
2008-11-18 10:07 ` Nick Piggin
2008-11-17 23:13 ` Benjamin Herrenschmidt
2008-11-17 23:22 ` Josh Boyer
2008-11-17 23:28 ` Linus Torvalds
2008-11-18 0:11 ` Paul Mackerras
2008-11-18 2:08 ` Linus Torvalds
2008-11-18 10:24 ` Nick Piggin
2008-11-18 11:44 ` Paul Mackerras [this message]
2008-11-18 16:02 ` Linus Torvalds
2008-11-18 7:25 ` Benjamin Herrenschmidt
2008-11-17 23:03 ` Benjamin Herrenschmidt
2008-11-18 9:53 ` Christoph Hellwig
2008-11-18 10:37 ` Ingo Molnar
2008-11-17 23:30 ` Benjamin Herrenschmidt
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