Re: [PATCH -mm v2 2/2] mm: get rid of __GFP_KMEMCG

From: Vladimir Davydov
Date: Wed Apr 02 2014 - 02:12:07 EST


On 04/02/2014 04:48 AM, Greg Thelen wrote:
> diff --git a/include/linux/slab.h b/include/linux/slab.h
> index 3dd389aa91c7..6d6959292e00 100644
> --- a/include/linux/slab.h
> +++ b/include/linux/slab.h
> @@ -358,17 +358,6 @@ kmem_cache_alloc_node_trace(struct kmem_cache *s,
> #include <linux/slub_def.h>
> #endif
>
> -static __always_inline void *
> -kmalloc_order(size_t size, gfp_t flags, unsigned int order)
> -{
> - void *ret;
> -
> - flags |= (__GFP_COMP | __GFP_KMEMCG);
> - ret = (void *) __get_free_pages(flags, order);
> - kmemleak_alloc(ret, size, 1, flags);
> - return ret;
> -}
> -
> Removing this from the header file breaks builds without
> CONFIG_TRACING.
> Example:
> % make allnoconfig && make -j4 mm/
> [...]
> include/linux/slab.h: In function âkmalloc_order_traceâ:
> include/linux/slab.h:367:2: error: implicit declaration of function âkmalloc_orderâ [-Werror=implicit-function-declaration]

Oh, my bad - forgot to add the function declaration :-(

The fixed version is on its way. Thank you for catching this!
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