On Fri, 2 Nov 2018 12:25:17 -0700 Rick Edgecombe <[email protected]> wrote:
> Create __vmalloc_node_try_addr function that tries to allocate at a specific > address without triggering any lazy purging. In order to support this behavior > a try_addr argument was plugged into several of the static helpers. Please explain (in the changelog) why lazy purging is considered to be a problem. Preferably with some form of measurements, or at least a hand-wavy guesstimate of the cost. > This also changes logic in __get_vm_area_node to be faster in cases where > allocations fail due to no space, which is a lot more common when trying > specific addresses.
