From: William Lee Irwin III <wli@holomorphy.com>
To: Andrea Arcangeli <andrea@suse.de>
Cc: "Martin J. Bligh" <mbligh@aracnet.com>,
Hugh Dickins <hugh@veritas.com>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] anobjrmap 1/6 objrmap
Date: Wed, 24 Mar 2004 12:00:54 -0800 [thread overview]
Message-ID: <20040324200054.GJ791@holomorphy.com> (raw)
In-Reply-To: <20040324170841.GT2065@dualathlon.random>
On Wed, Mar 24, 2004 at 06:08:41PM +0100, Andrea Arcangeli wrote:
> nitpick, it's not PAE but highmem that makes it worse (even with PAE off).
Please give me a little more credit than that. This is largely over,
but when assessing it, do note:
#if defined(CONFIG_HIGHPTE) && defined(CONFIG_HIGHMEM4G)
typedef u32 pte_addr_t;
#endif
#if defined(CONFIG_HIGHPTE) && defined(CONFIG_HIGHMEM64G)
typedef u64 pte_addr_t;
#endif
#if !defined(CONFIG_HIGHPTE)
typedef pte_t *pte_addr_t;
#endif
Yes, I also realized that in principle, one could have only used
PG_direct if the pagetable fell into the lower 32GB or stuffed the 33rd
bit into PG_arch and so on and so forth wrt. the 33rd bit.
-- wli
next prev parent reply other threads:[~2004-03-24 20:01 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-18 23:21 [PATCH] anobjrmap 1/6 objrmap Hugh Dickins
2004-03-18 23:22 ` [PATCH] anobjrmap 2/6 linux/rmap.h Hugh Dickins
2004-03-18 23:23 ` [PATCH] anobjrmap 3/6 page->mapping Hugh Dickins
2004-03-18 23:25 ` [PATCH] anobjrmap 4/6 no pte_chains Hugh Dickins
2004-03-18 23:26 ` [PATCH] anobjrmap 5/6 anonmm Hugh Dickins
2004-03-19 16:15 ` Rik van Riel
2004-03-18 23:27 ` [PATCH] anobjrmap 6/6 cleanup Hugh Dickins
2004-03-19 2:42 ` [PATCH] anobjrmap 1/6 objrmap Andrea Arcangeli
2004-03-19 7:08 ` Hugh Dickins
2004-03-19 17:11 ` Martin J. Bligh
2004-03-20 12:30 ` Andrea Arcangeli
2004-03-20 14:03 ` William Lee Irwin III
2004-03-20 14:29 ` Andrea Arcangeli
2004-03-20 15:56 ` Martin J. Bligh
2004-03-20 16:19 ` Andrea Arcangeli
2004-03-20 16:40 ` Martin J. Bligh
2004-03-20 16:55 ` Andrea Arcangeli
2004-03-20 17:33 ` Martin J. Bligh
2004-03-20 18:50 ` Andrea Arcangeli
2004-03-21 16:30 ` Martin J. Bligh
2004-03-21 23:52 ` Andrea Arcangeli
2004-03-22 15:53 ` Martin J. Bligh
2004-03-24 6:19 ` Andrea Arcangeli
2004-03-24 15:56 ` Martin J. Bligh
2004-03-24 16:21 ` Andrea Arcangeli
2004-03-24 16:35 ` Martin J. Bligh
2004-03-24 17:08 ` Andrea Arcangeli
2004-03-24 20:00 ` William Lee Irwin III [this message]
2004-03-24 20:01 ` William Lee Irwin III
2004-03-24 20:17 ` William Lee Irwin III
2004-03-20 12:46 ` Andrea Arcangeli
2004-03-19 14:38 ` William Lee Irwin III
2004-03-22 20:37 ` [PATCH] anobjrmap 7/6 mremap moves Hugh Dickins
2004-03-22 21:52 ` Rajesh Venkatasubramanian
2004-03-26 14:29 ` [PATCH] anobjrmap 8/6 unmap nonlinear Hugh Dickins
2004-03-26 14:54 ` Realtek 8139too drivers Linux Kernel
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