Messages in this thread | | | Date | Thu, 19 Mar 2015 13:41:03 +0300 | From | Vladimir Davydov <> | Subject | Re: [PATCH 3/3] mm: idle memory tracking |
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On Thu, Mar 19, 2015 at 01:12:05PM +0300, Cyrill Gorcunov wrote: > On Wed, Mar 18, 2015 at 11:44:36PM +0300, Vladimir Davydov wrote: > > +static void set_mem_idle(void) > > +{ > > + int nid; > > + > > + for_each_online_node(nid) > > + set_mem_idle_node(nid); > > +} > > Vladimir, might we need get_online_mems/put_online_mems here, > or if node gets offline this wont be a problem? (Asking > because i don't know).
I only need to dereference page structs corresponding to the node here, and page structs are not freed when the node gets offline AFAICS, so I guess it must be safe.
Thanks, Vladimir
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