Merge branch 'akpm' (patches from Andrew)

Merge more updates from Andrew Morton:

 - the rest of MM

 - lib/bitmap updates

 - hfs updates

 - fatfs updates

 - various other misc things

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (94 commits)
  mm/gup.c: fix __get_user_pages_fast() comment
  mm: Fix warning in insert_pfn()
  memory-hotplug.rst: add some details about locking internals
  powerpc/powernv: hold device_hotplug_lock when calling memtrace_offline_pages()
  powerpc/powernv: hold device_hotplug_lock when calling device_online()
  mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock
  mm/memory_hotplug: make add_memory() take the device_hotplug_lock
  mm/memory_hotplug: make remove_memory() take the device_hotplug_lock
  mm/memblock.c: warn if zero alignment was requested
  memblock: stop using implicit alignment to SMP_CACHE_BYTES
  docs/boot-time-mm: remove bootmem documentation
  mm: remove include/linux/bootmem.h
  memblock: replace BOOTMEM_ALLOC_* with MEMBLOCK variants
  mm: remove nobootmem
  memblock: rename __free_pages_bootmem to memblock_free_pages
  memblock: rename free_all_bootmem to memblock_free_all
  memblock: replace free_bootmem_late with memblock_free_late
  memblock: replace free_bootmem{_node} with memblock_free
  mm: nobootmem: remove bootmem allocation APIs
  memblock: replace alloc_bootmem with memblock_alloc
  ...

1 files changed, 8 insertions, 1 deletions

diff --git a/lib/lz4/lz4defs.h b/lib/lz4/lz4defs.h
index 00a0b58a0871..1a7fa9d9170f 100644
--- a/lib/lz4/lz4defs.h
+++ b/lib/lz4/lz4defs.h
@@ -75,6 +75,11 @@ typedef uintptr_t uptrval;
 #define WILDCOPYLENGTH 8
 #define LASTLITERALS 5
 #define MFLIMIT (WILDCOPYLENGTH + MINMATCH)
+/*
+ * ensure it's possible to write 2 x wildcopyLength
+ * without overflowing output buffer
+ */
+#define MATCH_SAFEGUARD_DISTANCE  ((2 * WILDCOPYLENGTH) - MINMATCH)
 
 /* Increase this value ==> compression run slower on incompressible data */
 #define LZ4_SKIPTRIGGER 6
@@ -222,6 +227,8 @@ typedef enum { noDict = 0, withPrefix64k, usingExtDict } dict_directive;
 typedef enum { noDictIssue = 0, dictSmall } dictIssue_directive;
 
 typedef enum { endOnOutputSize = 0, endOnInputSize = 1 } endCondition_directive;
-typedef enum { full = 0, partial = 1 } earlyEnd_directive;
+typedef enum { decode_full_block = 0, partial_decode = 1 } earlyEnd_directive;
+
+#define LZ4_STATIC_ASSERT(c)	BUILD_BUG_ON(!(c))
 
 #endif