On Fri, 27 Feb 2015, David Rientjes wrote:
> +/*
> + * Construct gfp mask to allocate from a specific node but do not invoke
> reclaim
> + * or warn about failures.
> + */
We should be triggering reclaim from slab allocations. Why would we not do
this?
Otherwise we will be going uselessly off node for slab allocations.
> +static inline gfp_t gfp_exact_node(gfp_t flags)
> +{
> + return (flags | __GFP_THISNODE | __GFP_NOWARN) & ~__GFP_WAIT;
> +}
> #endif
Reclaim needs to be triggered. In particular zone reclaim was made to be
triggered from slab allocations to create more room if needed.
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