Re: [PATCH -next 1/2] mm/slab: add is_kmalloc_cache() helper macro
From: Andrew Morton
Date: Mon Nov 21 2022 - 15:19:55 EST
On Mon, 21 Nov 2022 21:50:23 +0800 Feng Tang <feng.tang@xxxxxxxxx> wrote:
> +#ifndef CONFIG_SLOB
> +#define is_kmalloc_cache(s) ((s)->flags & SLAB_KMALLOC)
> +#else
> +#define is_kmalloc_cache(s) (false)
> +#endif
Could be implemented as a static inline C function, yes?
If so, that's always best. For (silly) example, consider the behaviour
of
x = is_kmalloc_cache(s++);
with and without CONFIG_SLOB.