linux-kernel - Re: [PATCH v3 2/7] mm, slab/slub: introduce kmalloc-reclaimable caches

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Message-ID: <01000164ebd9fc22-31811702-8b80-46c2-a249-a1960c37ae01-000000@email.amazonses.com>
Date:   Mon, 30 Jul 2018 15:41:29 +0000
From:   Christopher Lameter <cl@...ux.com>
To:     Vlastimil Babka <vbabka@...e.cz>
cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
        Roman Gushchin <guro@...com>, Michal Hocko <mhocko@...nel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH v3 2/7] mm, slab/slub: introduce kmalloc-reclaimable
 caches

On Wed, 18 Jul 2018, Vlastimil Babka wrote:

> index 4299c59353a1..d89e934e0d8b 100644
> --- a/include/linux/slab.h
> +++ b/include/linux/slab.h
> @@ -296,11 +296,12 @@ static inline void __check_heap_object(const void *ptr, unsigned long n,
>                                 (KMALLOC_MIN_SIZE) : 16)
>
>  #define KMALLOC_NORMAL	0
> +#define KMALLOC_RECLAIM	1
>  #ifdef CONFIG_ZONE_DMA
> -#define KMALLOC_DMA	1
> -#define KMALLOC_TYPES	2
> +#define KMALLOC_DMA	2
> +#define KMALLOC_TYPES	3
>  #else
> -#define KMALLOC_TYPES	1
> +#define KMALLOC_TYPES	2
>  #endif

I like enums....

Acked-by: Christoph Lameter <cl@...ux.com>