Re: [PATCH 01/51] mm/sl[uo]b: export __kmalloc_track(_node)_caller

[Daniel Vetter <daniel@ffwll.ch>]

On Mon, Mar 23, 2020 at 03:49:00PM +0100, Daniel Vetter wrote:
> slab does this already, and I want to use this in a memory allocation
> tracker in drm for stuff that's tied to the lifetime of a drm_device,
> not the underlying struct device. Kinda like devres, but for drm.
> 
> Acked-by: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> Cc: Christoph Lameter <cl@linux.com>
> Cc: Pekka Enberg <penberg@kernel.org>
> Cc: David Rientjes <rientjes@google.com>
> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: linux-mm@kvack.org
> --
> I plan to merge this through drm-misc-next (with Andrew's ack) once
> the remainder of the drm series is in shape.

Ok I pulled this in now, but it's going to miss the 5.7 merge window, so
queued for 5.8. Should show up in linux-next right after -rc1.
-Daniel

> -Daniel
> ---
>  mm/slob.c | 2 ++
>  mm/slub.c | 2 ++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/mm/slob.c b/mm/slob.c
> index fa53e9f73893..ac2aecfbc7a8 100644
> --- a/mm/slob.c
> +++ b/mm/slob.c
> @@ -524,6 +524,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfp, unsigned long caller)
>  {
>  	return __do_kmalloc_node(size, gfp, NUMA_NO_NODE, caller);
>  }
> +EXPORT_SYMBOL(__kmalloc_track_caller);
>  
>  #ifdef CONFIG_NUMA
>  void *__kmalloc_node_track_caller(size_t size, gfp_t gfp,
> @@ -531,6 +532,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfp,
>  {
>  	return __do_kmalloc_node(size, gfp, node, caller);
>  }
> +EXPORT_SYMBOL(__kmalloc_node_track_caller);
>  #endif
>  
>  void kfree(const void *block)
> diff --git a/mm/slub.c b/mm/slub.c
> index 2988dae3f692..a937de5182cc 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -4377,6 +4377,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller)
>  
>  	return ret;
>  }
> +EXPORT_SYMBOL(__kmalloc_track_caller);
>  
>  #ifdef CONFIG_NUMA
>  void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
> @@ -4407,6 +4408,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
>  
>  	return ret;
>  }
> +EXPORT_SYMBOL(__kmalloc_node_track_caller);
>  #endif
>  
>  #ifdef CONFIG_SYSFS
> -- 
> 2.25.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch