mm: replace strict_strtoul() with kstrtoul()

The use of strict_strtoul() is not preferred, because strict_strtoul() is
obsolete.  Thus, kstrtoul() should be used.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --cc mm/huge_memory.c
Simple merge

diff --cc mm/hugetlb.c
Simple merge

diff --cc mm/kmemleak.c
Simple merge

diff --cc mm/ksm.c
Simple merge

diff --cc mm/slub.c
Simple merge