On Wed, Jul 15 2015, Joonsoo Kim wrote:
> CMA has alloc/free interface for debugging. It is intended that alloc/free
> occurs in specific CMA region, but, currently, alloc/free interface is
> on root dir due to the bug so we can't select CMA region where alloc/free
> happens.
>
> This patch fixes this problem by making alloc/free interface per
> CMA region.
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
> ---
> mm/cma_debug.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/cma_debug.c b/mm/cma_debug.c
> index 7621ee3..22190a7 100644
> --- a/mm/cma_debug.c
> +++ b/mm/cma_debug.c
> @@ -170,10 +170,10 @@ static void cma_debugfs_add_one(struct cma *cma, int idx)
>
> tmp = debugfs_create_dir(name, cma_debugfs_root);
>
> - debugfs_create_file("alloc", S_IWUSR, cma_debugfs_root, cma,
> + debugfs_create_file("alloc", S_IWUSR, tmp, cma,
> &cma_alloc_fops);
>
> - debugfs_create_file("free", S_IWUSR, cma_debugfs_root, cma,
> + debugfs_create_file("free", S_IWUSR, tmp, cma,
> &cma_free_fops);
>
> debugfs_create_file("base_pfn", S_IRUGO, tmp,
> --
> 1.9.1
>
--
Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, Michał “mina86” Nazarewicz (o o)
ooo +--<mpn@xxxxxxxxxx>--<xmpp:mina86@xxxxxxxxxx>--ooO--(_)--Ooo--
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