tree ea3607d0730cf4a0b938b4bc7574ae02dc138792
parent fb435d5233f8b6f9b93c11d6304d8e98fed03234
author Tejun Heo <tj@kernel.org> 1250229651 +0900
committer Tejun Heo <tj@kernel.org> 1250229651 +0900

percpu: add chunk->base_addr

The only thing percpu allocator wants to know about a vmalloc area is
the base address.  Instead of requiring chunk->vm, add
chunk->base_addr which contains the necessary value.  This simplifies
the code a bit and makes the dummy first_vm unnecessary.  This change
will ease allowing a chunk to be mapped by multiple vms.

Signed-off-by: Tejun Heo <tj@kernel.org>