kmemleak: change some global variables to int

They don't have to be atomic_t, because they are simple boolean toggles.

Change-Id: I875f521382fd6f7ca909661fd04f1e98b7acccf6
Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: 8910ae896c8c961ef9c7d309262730bd2859e747
Git-repo: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/


Signed-off-by: Vignesh Radhakrishnan <vigneshr@codeaurora.org>