Messages in this thread | | | Date | Tue, 19 Nov 2013 11:42:03 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH] Expose sysctls for enabling slab/file_cache interleaving |
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On Mon 18-11-13 16:50:22, Andi Kleen wrote: [...] > diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h > index cc1b01c..10966f5 100644 > --- a/include/linux/cpuset.h > +++ b/include/linux/cpuset.h > @@ -72,12 +72,14 @@ extern int cpuset_slab_spread_node(void); > > static inline int cpuset_do_page_mem_spread(void) > { > - return current->flags & PF_SPREAD_PAGE; > + return (current->flags & PF_SPREAD_PAGE) || > + sysctl_spread_file_cache; > }
But this might break applications that explicitly opt out from spreading.
> > static inline int cpuset_do_slab_mem_spread(void) > { > - return current->flags & PF_SPREAD_SLAB; > + return (current->flags & PF_SPREAD_SLAB) || > + sysctl_spread_slab; > } > > extern int current_cpuset_is_being_rebound(void); [...] -- Michal Hocko SUSE Labs
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