From: David Howells <dhowells@redhat.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linux-mm <linux-mm@kvack.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH/RFC] remove frv usage of flush_tlb_pgtables()
Date: Fri, 27 Jul 2007 10:43:58 +0100 [thread overview]
Message-ID: <21776.1185529438@redhat.com> (raw)
In-Reply-To: <1185493838.5495.144.camel@localhost.localdomain>
Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:
> frv is the last user in the tree of that dubious hook, and it's my
> understanding that it's not even needed. It's only called by memory.c
> free_pgd_range() which is always called within an mmu_gather, and
> tlb_flush() on frv will do a flush_tlb_mm(), which from my reading
> of the code, seems to do what flush_tlb_ptables() does, which is
> to clear the cached PGE.
Yeah... I hadn't got around to killing myself yet.
Acked-By: David Howells <dhowells@redhat.com>
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next prev parent reply other threads:[~2007-07-27 9:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-26 23:50 Benjamin Herrenschmidt
2007-07-27 9:43 ` David Howells [this message]
2007-07-27 12:37 ` Benjamin Herrenschmidt
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