kmemleak: Add support for memory hotplug

Ensure that memory hotplug can co-exist with kmemleak
by taking the hotplug lock before scanning the memory
banks.

Change-Id: Ice6e5eaac45b4d71848ff1d3f30d468c1f088232
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
2 files changed