From: William Lee Irwin III <wli@holomorphy.com>
To: Russell King <rmk@arm.linux.org.uk>
Cc: linux-mm@kvack.org
Subject: Re: PTE aging, ptep_test_and_clear_young() and TLB
Date: Sun, 18 Apr 2004 08:12:59 -0700 [thread overview]
Message-ID: <20040418151259.GZ743@holomorphy.com> (raw)
In-Reply-To: <20040418114211.A9952@flint.arm.linux.org.uk>
On Sun, Apr 18, 2004 at 11:42:11AM +0100, Russell King wrote:
> Ok, so linux/mm.h includes asm/pgtable.h, which in turn includes
> asm-generic/pgtable.h. I need to get at the mm and address in my
> implementation of ptep_test_and_clear_young() - and the functions
> are defined in asm-generic/rmap.h. This includes linux/mm.h, so
> I can't include it in asm/pgtable.h. Moreover, mm_struct hasn't
> been declared yet.
> Converting ptep_test_and_clear_young() to be a macro doesn't look
> sane either, not without creating some rather disgusting code.
> So, how do I get at the mm_struct and address in asm/pgtable.h ?
> Maybe we need to split out the pte manipulation into asm/pte.h rather
> than overloading pgtable.h with it?
I think the usual answer is "lots of giant macros." =(
-- wli
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next prev parent reply other threads:[~2004-04-18 15:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-17 20:15 Russell King
2004-04-17 20:43 ` William Lee Irwin III
2004-04-18 9:36 ` Russell King
2004-04-18 9:39 ` William Lee Irwin III
2004-04-18 10:58 ` Hugh Dickins
2004-04-18 11:23 ` Russell King
2004-04-18 12:36 ` Hugh Dickins
2004-04-18 12:42 ` Russell King
2004-04-18 19:55 ` Russell King
2004-04-18 20:01 ` Russell King
2004-04-18 23:14 ` Hugh Dickins
2004-04-18 23:34 ` Russell King
2004-04-18 15:52 ` William Lee Irwin III
2004-04-18 10:42 ` Russell King
2004-04-18 15:12 ` William Lee Irwin III [this message]
2004-04-17 22:27 ` Hugh Dickins
2004-04-17 23:47 ` Anton Blanchard
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