Messages in this thread | | | Date | Sun, 26 Jan 2014 13:08:37 -0800 (PST) | From | David Rientjes <> | Subject | Re: [PATCH v2] x86, mm: Avoid duplicated pxm_to_node() calling. |
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On Sun, 26 Jan 2014, Yinghai Lu wrote:
> In slit init code, more pxm_to_node() calling are added. > > We can store from_node/to_node instead of keep calling pxm_to_node(). > > After this patch: pxm_to_node() is called n*(1+n) > Before this patch: pxm_to_node() is called n*(1+n*3) > > for 8 socket, it will be 72 instead of 200. > for 32 socket, it will be 1056 instead of 3104. > > -v2: update title and change log according to Ingo. > move from_node/to_node in loop and change to const according to > David Rientjes. > > Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: David Rientjes <rientjes@google.com>
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