From: Hugh Dickins <hugh@veritas.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, torvalds@osdl.org
Subject: Re: [PATCH 01/15] mm: poison struct page for ptlock
Date: Tue, 15 Nov 2005 19:51:06 +0000 (GMT) [thread overview]
Message-ID: <Pine.LNX.4.61.0511151947010.7872@goblin.wat.veritas.com> (raw)
In-Reply-To: <20051115104916.353e7ade.akpm@osdl.org>
On Tue, 15 Nov 2005, Andrew Morton wrote:
>
> It occurs to me that we can do the above if (__GNUC__ > 2), or whatever.
>
> That way, the only people who have a 4-byte-larger pageframe are those who
> use CONFIG_PREEMPT, NR_CPUS>=4 and gcc-2.x.y. An acceptably small
> community, I suspect.
I can't really think of this at the moment (though the PageReserved
fixups going smoother this evening). Acceptably small community, yes.
But wouldn't it plunge us into the very mess of wrappers we were trying
to avoid with anony structunions, to handle the __GNUC__ differences?
Hugh
next prev parent reply other threads:[~2005-11-15 19:52 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-10 1:42 [PATCH 00/15] mm: struct page lock and counts Hugh Dickins
2005-11-10 1:43 ` [PATCH 01/15] mm: poison struct page for ptlock Hugh Dickins
2005-11-10 2:10 ` Andrew Morton
2005-11-10 2:22 ` Hugh Dickins
2005-11-10 2:56 ` Andrew Morton
2005-11-10 2:58 ` Andrew Morton
2005-11-10 11:28 ` Ingo Molnar
2005-11-10 12:06 ` Ingo Molnar
2005-11-10 12:26 ` Andrew Morton
2005-11-10 21:37 ` Christoph Lameter
2005-11-10 21:52 ` Christoph Hellwig
2005-11-11 10:46 ` Ingo Molnar
2005-11-12 23:48 ` Adrian Bunk
2005-11-10 12:35 ` Hugh Dickins
2005-11-10 12:51 ` Andrew Morton
2005-11-10 13:29 ` Hugh Dickins
2005-11-10 15:00 ` Ingo Molnar
2005-11-10 15:38 ` Hugh Dickins
2005-11-10 19:49 ` Andrew Morton
2005-11-10 19:56 ` Linus Torvalds
2005-11-11 0:10 ` Russell King
2005-11-12 6:27 ` Benjamin Herrenschmidt
2005-11-11 15:02 ` Hugh Dickins
2005-11-15 18:49 ` Andrew Morton
2005-11-15 19:51 ` Hugh Dickins [this message]
2005-11-15 20:05 ` Andrew Morton
2005-11-10 1:44 ` [PATCH 02/15] mm: revert page_private Hugh Dickins
2005-11-10 1:46 ` [PATCH 03/15] mm reiser4: " Hugh Dickins
2005-11-10 1:47 ` [PATCH 04/15] mm: update split ptlock Kconfig Hugh Dickins
2005-11-10 1:48 ` [PATCH 05/15] mm: unbloat get_futex_key Hugh Dickins
2005-11-10 1:50 ` [PATCH 06/15] mm: remove ppc highpte Hugh Dickins
2005-11-10 1:52 ` Benjamin Herrenschmidt
2005-11-10 1:55 ` Paul Mackerras
2005-11-10 2:46 ` Hugh Dickins
2005-11-10 1:51 ` [PATCH 07/15] mm: powerpc ptlock comments Hugh Dickins
2005-11-10 1:53 ` [PATCH 08/15] mm: powerpc init_mm without ptlock Hugh Dickins
2005-11-10 1:56 ` [PATCH 09/15] mm: fill arch atomic64 gaps Hugh Dickins
2005-11-10 13:38 ` Andi Kleen
2005-11-10 15:19 ` Hugh Dickins
2005-11-10 1:57 ` [PATCH 10/15] mm: atomic64 page counts Hugh Dickins
2005-11-10 2:16 ` Andrew Morton
2005-11-10 2:33 ` Hugh Dickins
2005-11-10 3:01 ` Andrew Morton
2005-11-10 21:43 ` Christoph Lameter
2005-11-10 21:53 ` Andrew Morton
2005-11-11 15:25 ` Hugh Dickins
2005-11-11 18:03 ` Christoph Lameter
2005-11-10 2:00 ` [PATCH 11/15] mm: long " Hugh Dickins
2005-11-10 2:01 ` [PATCH 12/15] mm reiser4: " Hugh Dickins
2005-11-10 2:03 ` [PATCH 13/15] mm: get_user_pages check count Hugh Dickins
2005-11-10 2:08 ` [PATCH 14/15] mm: inc_page_table_pages check max Hugh Dickins
2005-11-10 2:09 ` [PATCH 15/15] mm: remove install_page limit Hugh Dickins
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