On 9/15/20 9:32 PM, Christoph Hellwig wrote:
> On Wed, Sep 02, 2020 at 08:02:04PM -0700, Mike Kravetz wrote:
>> --- a/arch/arm/mm/dma-mapping.c
>> +++ b/arch/arm/mm/dma-mapping.c
>> @@ -383,25 +383,34 @@ postcore_initcall(atomic_pool_init);
>> struct dma_contig_early_reserve {
>> phys_addr_t
On Wed, Sep 02, 2020 at 08:02:04PM -0700, Mike Kravetz wrote:
> --- a/arch/arm/mm/dma-mapping.c
> +++ b/arch/arm/mm/dma-mapping.c
> @@ -383,25 +383,34 @@ postcore_initcall(atomic_pool_init);
> struct dma_contig_early_reserve {
> phys_addr_t base;
> unsigned long size;
> + struct
el.org
> Cc: Roman Gushchin ; Joonsoo Kim ; Rik
> van Riel ; Aslan Bakirov ; Michal Hocko
> ; Andrew Morton
> Subject: Re: [RFC PATCH] cma: make number of CMA areas dynamic, remove
> CONFIG_CMA_AREAS
>
> On 9/3/20 6:58 PM, Song Bao Hua (Barry Song) wrote:
> >
> >&
r...@lists.infradead.org; linux-m...@vger.kernel.org
>> Cc: Roman Gushchin ; Song Bao Hua (Barry Song)
>> ; Joonsoo Kim ; Rik van
>> Riel ; Aslan Bakirov ; Michal Hocko
>> ; Andrew Morton ; Mike
>> Kravetz
>> Subject: [RFC PATCH] cma: make number of CMA areas dynam
ong Bao Hua (Barry Song)
> ; Joonsoo Kim ; Rik van
> Riel ; Aslan Bakirov ; Michal Hocko
> ; Andrew Morton ; Mike
> Kravetz
> Subject: [RFC PATCH] cma: make number of CMA areas dynamic, remove
> CONFIG_CMA_AREAS
>
> The number of distinct CMA areas is limited by the constant
On Wed, Sep 02, 2020 at 08:02:04PM -0700, Mike Kravetz wrote:
> The number of distinct CMA areas is limited by the constant
> CONFIG_CMA_AREAS. In most environments, this was set to a default
> value of 7. Not too long ago, support was added to allocate hugetlb
> gigantic pages from CMA. More
The number of distinct CMA areas is limited by the constant
CONFIG_CMA_AREAS. In most environments, this was set to a default
value of 7. Not too long ago, support was added to allocate hugetlb
gigantic pages from CMA. More recent changes to make dma_alloc_coherent
NUMA-aware on arm64 added
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