Hello, Pekka. 2012/12/7 Pekka Enberg <penb...@kernel.org>: > On Thu, Dec 6, 2012 at 6:09 PM, Joonsoo Kim <js1...@gmail.com> wrote: >> The purpose of iterating a vmlist is finding vm area with specific >> virtual address. find_vm_area() is provided for this purpose >> and more efficient, because it uses a rbtree. >> So change it. > > You no longer take the 'vmlist_lock'. This is safe, because...?
As Bob mentioned, find_vm_area() hold a 'vmap_area_lock' during searching a area. When we hold a 'vmap_area_lock', area can't be removed. So this change is safe. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
