From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Fortescue <mark@mtfhpc.demon.co.uk>,
linuxppc-dev@ozlabs.org, wli@holomorphy.com, linux-mm@kvack.org,
andrea@suse.de, sparclinux@vger.kernel.org,
David Miller <davem@davemloft.net>
Subject: Re: vm changes from linux-2.6.14 to linux-2.6.15
Date: Thu, 10 May 2007 16:29:43 +1000 [thread overview]
Message-ID: <1178778583.14928.210.camel@localhost.localdomain> (raw)
In-Reply-To: <20070509231937.ea254c26.akpm@linux-foundation.org>
> We never seemed to reach completion here?
Well, I'm waiting for other people comments too... as I said earlier,
I'm not too fan of burrying the update_mmu_cache() inside
ptep_set_access_flags(), but perhaps we could remove the whole logic of
reading the old PTE & comparing it, and instead have
ptep_set_access_flags() do that locally and return to the caller wether
a change occured that requires update_mmu_cache() to be called.
That way, archs who don't actually need update_mmu_cache() under some
circumstances will be able to return 0 there.
What do you guys thing ?
Ben.
next prev parent reply other threads:[~2007-05-10 6:30 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.61.0704291345480.690@mtfhpc.demon.co.uk>
[not found] ` <1177852457.4390.26.camel@localhost.localdomain>
2007-04-30 21:36 ` vm changes from linux-2.6.14 to linux-2.6.15 Mark Fortescue
2007-04-30 21:54 ` Andrew Morton
2007-04-30 22:04 ` David Miller
2007-04-30 22:33 ` Mark Fortescue
2007-04-30 22:42 ` David Miller
2007-05-01 0:00 ` Benjamin Herrenschmidt
2007-05-01 0:38 ` David Miller
2007-05-01 1:45 ` Mark Fortescue
2007-05-01 2:05 ` Benjamin Herrenschmidt
2007-05-01 13:58 ` Mark Fortescue
2007-05-01 21:31 ` Benjamin Herrenschmidt
2007-05-01 23:08 ` Mark Fortescue
2007-05-09 19:44 ` Mark Fortescue
2007-05-09 22:48 ` Benjamin Herrenschmidt
2007-05-10 6:19 ` Andrew Morton
2007-05-10 6:29 ` Benjamin Herrenschmidt [this message]
2007-05-10 7:12 ` David Miller
2007-05-14 19:19 ` Hugh Dickins
2007-05-14 21:07 ` Benjamin Herrenschmidt
2007-05-15 6:56 ` Benjamin Herrenschmidt
2007-05-21 14:27 ` Tom "spot" Callaway
2007-05-21 22:09 ` Benjamin Herrenschmidt
2007-05-22 6:28 ` [PATCH/RFC] Rework ptep_set_access_flags and fix sun4c Benjamin Herrenschmidt
2007-05-22 17:04 ` Hugh Dickins
2007-05-22 22:59 ` Benjamin Herrenschmidt
2007-05-22 23:04 ` Tom "spot" Callaway
2007-05-23 4:03 ` Hugh Dickins
2007-05-23 4:21 ` Benjamin Herrenschmidt
2007-05-22 21:52 ` Mark Fortescue
2007-05-22 21:53 ` David Miller
2007-05-22 23:29 ` Benjamin Herrenschmidt
2007-05-22 23:28 ` Benjamin Herrenschmidt
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