linux-kernel - Re: [PATCH] i386: don't check_pgt_cache in flush_tlb

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Message-ID: <20070515185947.GY19966@holomorphy.com>
Date:	Tue, 15 May 2007 11:59:47 -0700
From:	William Lee Irwin III <wli@...omorphy.com>
To:	Hugh Dickins <hugh@...itas.com>
Cc:	Andi Kleen <ak@...e.de>, Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <clameter@....com>,
	David Miller <davem@...emloft.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i386: don't check_pgt_cache in flush_tlb_mm

On Tue, May 15, 2007 at 07:51:05PM +0100, Hugh Dickins wrote:
> No other architecture calls check_pgt_cache() from within flush_tlb_mm(),
> and i386 is already calling check_pgt_cache() from the usual places,
> tlb_finish_mmu() and cpu_idle() (the latter being odd, but not unusual).
> flush_tlb_mm() has no business to be freeing pages: remove that line,
> which sneaked in with slub's i386 support.
> Signed-off-by: Hugh Dickins <hugh@...itas.com>

Acked-by: William Irwin <bill.irwin@...cle.com>


-- wli
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