From: Jeff Dike <jdike@addtoit.com>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] 2.6.8-rc4-mm1 - UML fixes
Date: Thu, 12 Aug 2004 01:41:18 -0400 [thread overview]
Message-ID: <200408120541.i7C5fIJd010913@ccure.user-mode-linux.org> (raw)
In-Reply-To: Your message of "Wed, 11 Aug 2004 20:30:12 PDT." <20040812033012.GE11200@holomorphy.com>
wli@holomorphy.com said:
> Out of curiosity, why are you allocating 4*PAGE_SIZE for the stack if
> you're only going to use 2*PAGE_SIZE of it? I saw no other users for
> the rest of ->thread_info offhand.
Well, that's slightly misleading. The other two pages (minus the thread_info)
are available for stack if needed. UML stacks are somewhat larger than the
native kernel stacks because of the userspace signal frames, so I allocate
4 pages for now to be safe.
Jeff
next prev parent reply other threads:[~2004-08-12 4:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-12 4:15 Jeff Dike
2004-08-12 3:30 ` William Lee Irwin III
2004-08-12 5:41 ` Jeff Dike [this message]
2004-08-12 6:50 ` William Lee Irwin III
2004-08-12 16:56 ` Jeff Dike
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