So - basically allocate the page and pass it as void* pointer to drmm_add_action with a release function which will do the free page, right ?
Andrey On 1/12/21 4:10 AM, Daniel Vetter wrote:
drm_add_action_or_reset (for better control flow) has both a void * data and a cleanup function (and it internally allocates the tracking structure for that for you). So should work as-is? Allocating a tracking structure for our tracking structure for a page would definitely be a bit too much. Essentiall drmm_add_action is your kcalloc_with_action function you want, as long as all you need is a single void * pointer (we could do the kzalloc_with_action though, there's enough space, just no need yet for any of the current users). -Daniel
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