Re: [PATCH 17/40] autonuma: autonuma_enter/exit

From: Rik van Riel
Date: Fri Jun 29 2012 - 14:41:28 EST


On 06/28/2012 08:55 AM, Andrea Arcangeli wrote:
The first gear in the whole AutoNUMA algorithm is knuma_scand. If
knuma_scand doesn't run AutoNUMA is a full bypass. If knuma_scand is
stopped, soon all other AutoNUMA gears will settle down too.

knuma_scand is the daemon that sets the pmd_numa and pte_numa and
allows the NUMA hinting page faults to start and then all other
actions follows as a reaction to that.

knuma_scand scans a list of "mm" and this is where we register and
unregister the "mm" into AutoNUMA for knuma_scand to scan them.

Signed-off-by: Andrea Arcangeli<aarcange@xxxxxxxxxx>

Acked-by: Rik van Riel <riel@xxxxxxxxxx>

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