Re: [PATCH] [DEV] dma mapping : export caller to vmallocinfo

From: Catalin Marinas
Date: Mon Oct 02 2017 - 10:03:44 EST


On Mon, Oct 02, 2017 at 03:01:55PM +0200, Matthieu CASTET wrote:
> For example on arm64 board, this add info to "user" entries in vmallocinfo
>
> Before :
> [...]
> 0xffffff8008997000 0xffffff80089d8000 266240 user
> [...]
>
> Afer :
> [...]
> 0xffffff8008997000 0xffffff80089d8000 266240 atomic_pool_init+0x0/0x1d8 user
> [...]
>
> This help to debug mapping issues, and is consistent with others entries
> (ioremap, vmalloc, ...) that already provide caller.
>
> Signed-off-by: Matthieu CASTET <matthieu.castet@xxxxxxxxxx>
> ---
> arch/arm64/mm/dma-mapping.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

It looks fine to me. Will (cc'ed) should pick it up for 4.15.

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>