Merge misc fixes from Andrew Morton:
"21 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (21 commits)
mm/balloon_compaction: fix deflation when compaction is disabled
sh: fix sh770x SCIF memory regions
zram: avoid NULL pointer access in concurrent situation
mm/slab_common: don't check for duplicate cache names
ocfs2: fix d_splice_alias() return code checking
mm: rmap: split out page_remove_file_rmap()
mm: memcontrol: fix missed end-writeback page accounting
mm: page-writeback: inline account_page_dirtied() into single caller
lib/bitmap.c: fix undefined shift in __bitmap_shift_{left|right}()
drivers/rtc/rtc-bq32k.c: fix register value
memory-hotplug: clear pgdat which is allocated by bootmem in try_offline_node()
drivers/rtc/rtc-s3c.c: fix initialization failure without rtc source clock
kernel/kmod: fix use-after-free of the sub_info structure
drivers/rtc/rtc-pm8xxx.c: rework to support pm8941 rtc
mm, thp: fix collapsing of hugepages on madvise
drivers: of: add return value to of_reserved_mem_device_init()
mm: free compound page with correct order
gcov: add ARM64 to GCOV_PROFILE_ALL
fsnotify: next_i is freed during fsnotify_unmount_inodes.
mm/compaction.c: avoid premature range skip in isolate_migratepages_range
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