On Tue 26-01-21 11:25:36, Minchan Kim wrote: > On Tue, Jan 26, 2021 at 08:46:05AM +0100, Michal Hocko wrote: > > On Thu 21-01-21 09:55:02, Minchan Kim wrote: > > > From: Hyesoo Yu <hyesoo.yu@xxxxxxxxxxx> > > > > > > This patch supports chunk heap that allocates the buffers that > > > arranged into a list a fixed size chunks taken from CMA. > > > > > > The chunk heap driver is bound directly to a reserved_memory > > > node by following Rob Herring's suggestion in [1]. > > > > > > [1] https://lore.kernel.org/lkml/20191025225009.50305-2-john.stultz@xxxxxxxxxx/T/#m3dc63acd33fea269a584f43bb799a876f0b2b45d > > > > Who is using this allocator in the kernel? > > Userspace uses the memory via mapping it via dmabuf. Ohh, I see. I thought this was an interface to consume in the kernel. Thanks for the clarification! -- Michal Hocko SUSE Labs
