Re: [PATCH -mmotm] mm: fix kmemcheck.c build errors

From: Andrey Ryabinin
Date: Sun Aug 31 2014 - 07:36:27 EST


2014-08-30 5:48 GMT+04:00 Randy Dunlap <rdunlap@xxxxxxxxxxxxx>:
> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>
> Add header file to fix kmemcheck.c build errors:
>
> ../mm/kmemcheck.c:70:7: error: dereferencing pointer to incomplete type
> ../mm/kmemcheck.c:83:15: error: dereferencing pointer to incomplete type
> ../mm/kmemcheck.c:95:8: error: dereferencing pointer to incomplete type
> ../mm/kmemcheck.c:95:21: error: dereferencing pointer to incomplete type
>
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> ---
> mm/kmemcheck.c | 1 +
> 1 file changed, 1 insertion(+)
>
> Index: mmotm-2014-0829-1515/mm/kmemcheck.c
> ===================================================================
> --- mmotm-2014-0829-1515.orig/mm/kmemcheck.c
> +++ mmotm-2014-0829-1515/mm/kmemcheck.c
> @@ -2,6 +2,7 @@
> #include <linux/mm_types.h>
> #include <linux/mm.h>
> #include <linux/slab.h>
> +#include <linux/slab_def.h>

This will work only for CONFIG_SLAB=y. struct kmem_cache definition
was moved to internal header [*],
so you need to include it here:
#include "slab.h"

[*] http://ozlabs.org/~akpm/mmotm/broken-out/mm-slab_common-move-kmem_cache-definition-to-internal-header.patch

> #include <linux/kmemcheck.h>
>
> void kmemcheck_alloc_shadow(struct page *page, int order, gfp_t flags, int node)
>


--
Best regards,
Andrey Ryabinin
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