Re: [PATCH 1/1] drm/ttm: Account for kernel allocations in kernel zone only

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Am 23.02.19 um 00:19 schrieb Kuehling, Felix:
> Don't account for them in other zones such as dma32. The kernel page
> allocator has its own heuristics to avoid exhausting special zones
> for regular kernel allocations.
>
> Signed-off-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
> CC: thellstrom@xxxxxxxxxx
> CC: christian.koenig@xxxxxxx

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

> ---
>   drivers/gpu/drm/ttm/ttm_memory.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
> index f1567c3..90d1e24 100644
> --- a/drivers/gpu/drm/ttm/ttm_memory.c
> +++ b/drivers/gpu/drm/ttm/ttm_memory.c
> @@ -522,7 +522,7 @@ static void ttm_mem_global_free_zone(struct ttm_mem_global *glob,
>   void ttm_mem_global_free(struct ttm_mem_global *glob,
>   			 uint64_t amount)
>   {
> -	return ttm_mem_global_free_zone(glob, NULL, amount);
> +	return ttm_mem_global_free_zone(glob, glob->zone_kernel, amount);
>   }
>   EXPORT_SYMBOL(ttm_mem_global_free);
>   
> @@ -621,10 +621,10 @@ int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
>   {
>   	/**
>   	 * Normal allocations of kernel memory are registered in
> -	 * all zones.
> +	 * the kernel zone.
>   	 */
>   
> -	return ttm_mem_global_alloc_zone(glob, NULL, memory, ctx);
> +	return ttm_mem_global_alloc_zone(glob, glob->zone_kernel, memory, ctx);
>   }
>   EXPORT_SYMBOL(ttm_mem_global_alloc);
>   

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