From: Carsten Otte <cotte@de.ibm.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andrew Morton <akpm@osdl.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 18/21] mm: xip_unmap ZERO_PAGE fix
Date: Thu, 13 Oct 2005 14:39:16 +0200 [thread overview]
Message-ID: <434E5574.8060901@de.ibm.com> (raw)
In-Reply-To: <Pine.LNX.4.61.0510130218580.4343@goblin.wat.veritas.com>
Hugh Dickins wrote:
> Small fix to the PageReserved patch: the mips ZERO_PAGE(address) depends
> on address, so __xip_unmap is wrong to initialize page with that before
> address is initialized; and in fact must re-evaluate it each iteration.
Looks fine to me. I never realized they have multiple zero pages on mips.
--
Carsten Otte
IBM Linux technology center
ARCH=s390
next prev parent reply other threads:[~2005-10-13 12:39 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-13 0:44 [PATCH 00/21] mm: page fault scalability nearer Hugh Dickins
2005-10-13 0:45 ` [PATCH 01/21] mm: copy_one_pte inc rss Hugh Dickins
2005-10-13 0:46 ` [PATCH 02/21] mm: zap_pte_range dec rss Hugh Dickins
2005-10-13 0:47 ` [PATCH 03/21] mm: do_swap_page race major Hugh Dickins
2005-10-13 0:47 ` [PATCH 04/21] mm: do_mremap current mm Hugh Dickins
2005-10-13 0:48 ` [PATCH 05/21] mm: zap_pte out of line Hugh Dickins
2005-10-13 0:50 ` [PATCH 06/21] mm: update_hiwaters just in time Hugh Dickins
2005-10-13 1:17 ` Christoph Lameter
2005-10-13 19:18 ` Jay Lan
2005-10-13 0:52 ` [PATCH 07/21] mm: mm_struct hiwaters moved Hugh Dickins
2005-10-13 0:53 ` [PATCH 08/21] mm: ia64 use expand_upwards Hugh Dickins
2005-10-13 0:55 ` [PATCH 09/21] mm: init_mm without ptlock Hugh Dickins
2005-10-13 0:55 ` [PATCH 10/21] mm: ptd_alloc inline and out Hugh Dickins
2005-10-13 0:56 ` [PATCH 11/21] mm: ptd_alloc take ptlock Hugh Dickins
2005-10-13 0:59 ` [PATCH 12/21] mm: arches skip ptlock Hugh Dickins
2005-10-13 1:13 ` [PATCH 13/21] mm: page fault handler locking Hugh Dickins
2005-10-13 1:14 ` [PATCH 14/21] mm: pte_offset_map_lock loops Hugh Dickins
2005-10-13 1:16 ` [PATCH 15/21] mm: flush_tlb_range outside ptlock Hugh Dickins
2005-10-13 1:17 ` [PATCH 16/21] mm: unlink vma before pagetables Hugh Dickins
2005-10-13 1:18 ` [PATCH 17/21] mm: unmap_vmas with inner ptlock Hugh Dickins
2005-10-13 1:20 ` [PATCH 18/21] mm: xip_unmap ZERO_PAGE fix Hugh Dickins
2005-10-13 12:39 ` Carsten Otte [this message]
2005-10-13 1:21 ` [PATCH 19/21] mm: rmap with inner ptlock Hugh Dickins
2005-10-13 1:22 ` [PATCH 20/21] mm: kill check_user_page_readable Hugh Dickins
2005-10-13 1:23 ` [PATCH 21/21] mm: follow_page with inner ptlock Hugh Dickins
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