From: Paul Mackerras <paulus@samba.org>
To: Rik van Riel <riel@redhat.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>, shak <dshaks@redhat.com>,
jakub@redhat.com, drepper@redhat.com
Subject: Re: [PATCH] lazy freeing of memory through MADV_FREE
Date: Tue, 24 Apr 2007 14:42:02 +1000 [thread overview]
Message-ID: <17965.35482.107374.228339@cargo.ozlabs.ibm.com> (raw)
In-Reply-To: <462D643C.5020709@redhat.com>
Rik van Riel writes:
> I guess we'll need to call tlb_remove_tlb_entry() inside the
> MADV_FREE code to keep powerpc happy.
I don't see why; once ptep_test_and_clear_young has returned, the
entry in the hash table has already been removed. Adding the
tlb_remove_tlb_entry call certainly won't do anything on 64-bit
powerpc, since it expands to do {} while (0) there, and in fact it
won't do anything on 32-bit powerpc either.
Paul.
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next prev parent reply other threads:[~2007-04-24 4:42 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-17 7:15 Rik van Riel
2007-04-19 21:15 ` [PATCH] lazy freeing of memory through MADV_FREE 2/2 Rik van Riel
2007-04-20 21:03 ` Andrew Morton
2007-04-20 21:24 ` Ulrich Drepper
2007-04-21 7:37 ` Hugh Dickins
2007-04-21 16:32 ` Ulrich Drepper
2007-04-20 20:57 ` [PATCH] lazy freeing of memory through MADV_FREE Andrew Morton
2007-04-20 21:38 ` Rik van Riel
2007-04-20 22:06 ` Andrew Morton
2007-04-20 23:52 ` Rik van Riel
2007-04-21 0:48 ` Eric Dumazet
2007-04-21 3:58 ` Rik van Riel
2007-04-21 7:12 ` Jakub Jelinek
2007-04-23 4:36 ` Nick Piggin
2007-04-22 2:36 ` Nick Piggin
2007-04-22 2:50 ` Nick Piggin
2007-04-22 6:31 ` Rik van Riel
2007-04-23 0:16 ` Nick Piggin
2007-04-23 3:53 ` Rik van Riel
2007-04-23 3:58 ` Nick Piggin
2007-04-23 10:07 ` Nick Piggin
2007-04-23 10:12 ` Rik van Riel
2007-04-23 3:59 ` Rik van Riel
2007-04-23 9:20 ` Rik van Riel
2007-04-23 10:21 ` Nick Piggin
2007-04-23 10:31 ` Rik van Riel
2007-04-23 10:35 ` Nick Piggin
2007-04-23 10:44 ` Rik van Riel
2007-04-24 1:15 ` Nick Piggin
2007-04-24 1:58 ` Rik van Riel
2007-04-24 2:16 ` Nick Piggin
2007-04-24 4:42 ` Paul Mackerras [this message]
2007-04-24 5:13 ` Rik van Riel
2007-04-24 2:53 ` Rik van Riel
2007-04-24 3:08 ` Andrew Morton
2007-04-23 10:44 ` Jakub Jelinek
2007-04-23 11:45 ` Rik van Riel
2007-04-23 4:28 ` Rik van Riel
2007-04-21 7:24 ` Hugh Dickins
2007-04-21 18:06 ` Rik van Riel
2007-04-22 8:18 ` Andrew Morton
2007-04-22 9:16 ` Christoph Hellwig
2007-04-22 16:55 ` Ulrich Drepper
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