From: Ian Molton <spyro@f2s.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andrew Morton <akpm@osdl.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Russell King <rmk@arm.linux.org.uk>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/6] freepgt2: arm26 FIRST_USER_ADDRESS PAGE_SIZE
Date: Thu, 07 Apr 2005 03:22:03 +0100 [thread overview]
Message-ID: <4254994B.5090308@f2s.com> (raw)
In-Reply-To: <Pine.LNX.4.61.0504070214490.24723@goblin.wat.veritas.com>
Hugh Dickins wrote:
> ARM26 define FIRST_USER_ADDRESS as PAGE_SIZE (beyond the machine vectors
> when they are mapped low), and use that definition in place of locally
> defined MIN_MAP_ADDR. Previously, ARM26 permitted user mappings at 0 if
> the machine vectors were mapped high; but that's inconsistent with ARM,
> and FIRST_USER_ADDRESS would then have to be determined at runtime.
> Let's fix it at PAGE_SIZE throughout the architecture.
This is correct because ARM26 cant map vectors high at all.
applied.
next prev parent reply other threads:[~2005-04-07 2:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-07 1:10 [PATCH 1/6] freepgt2: free_pgtables from FIRST_USER_ADDRESS Hugh Dickins
2005-04-07 1:13 ` [PATCH 2/6] freepgt2: sys_mincore ignore FIRST_USER_PGD_NR Hugh Dickins
2005-04-07 10:14 ` David Howells
2005-04-07 14:31 ` Nick Piggin
2005-04-08 3:40 ` Hugh Dickins
2005-04-07 1:14 ` [PATCH 3/6] freepgt2: arm FIRST_USER_ADDRESS PAGE_SIZE Hugh Dickins
2005-04-07 1:16 ` [PATCH 4/6] freepgt2: arm26 " Hugh Dickins
2005-04-07 2:22 ` Ian Molton [this message]
2005-04-07 1:18 ` [PATCH 5/6] freepgt2: arch FIRST_USER_ADDRESS 0 Hugh Dickins
2005-04-07 1:19 ` [PATCH 6/6] freepgt2: remove FIRST_USER_ADDRESS hack Hugh Dickins
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