From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rik van Riel Date: Wed, 09 Jan 2013 20:57:09 +0000 Subject: Re: [PATCH 6/8] mm: remove free_area_cache use in powerpc architecture Message-Id: <50EDD9A5.8060404@redhat.com> List-Id: References: <1357694895-520-1-git-send-email-walken@google.com> <1357694895-520-7-git-send-email-walken@google.com> In-Reply-To: <1357694895-520-7-git-send-email-walken@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Michel Lespinasse Cc: Benjamin Herrenschmidt , "James E.J. Bottomley" , Matt Turner , David Howells , Tony Luck , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org, linux-parisc@vger.kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org On 01/08/2013 08:28 PM, Michel Lespinasse wrote: > As all other architectures have been converted to use vm_unmapped_area(), > we are about to retire the free_area_cache. > > This change simply removes the use of that cache in > slice_get_unmapped_area(), which will most certainly have a > performance cost. Next one will convert that function to use the > vm_unmapped_area() infrastructure and regain the performance. > > Signed-off-by: Michel Lespinasse Acked-by: Rik van Riel