Merge branch 'akpm' (patches from Andrew)

Merge misc updates from Andrew Morton:

 - a few misc things

 - the rest of MM

-  remove flex_arrays, replace with new simple radix-tree implementation

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (38 commits)
  Drop flex_arrays
  sctp: convert to genradix
  proc: commit to genradix
  generic radix trees
  selinux: convert to kvmalloc
  md: convert to kvmalloc
  openvswitch: convert to kvmalloc
  of: fix kmemleak crash caused by imbalance in early memory reservation
  mm: memblock: update comments and kernel-doc
  memblock: split checks whether a region should be skipped to a helper function
  memblock: remove memblock_{set,clear}_region_flags
  memblock: drop memblock_alloc_*_nopanic() variants
  memblock: memblock_alloc_try_nid: don't panic
  treewide: add checks for the return value of memblock_alloc*()
  swiotlb: add checks for the return value of memblock_alloc*()
  init/main: add checks for the return value of memblock_alloc*()
  mm/percpu: add checks for the return value of memblock_alloc*()
  sparc: add checks for the return value of memblock_alloc*()
  ia64: add checks for the return value of memblock_alloc*()
  arch: don't memset(0) memory returned by memblock_alloc()
  ...

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 9cc1461aac7d..4734223ab702 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -1181,7 +1181,13 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
 
 static void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
 {
-	return memblock_alloc(size, align);
+	void *ptr = memblock_alloc(size, align);
+
+	if (!ptr)
+		panic("%s: Failed to allocate %llu bytes align=0x%llx\n",
+		      __func__, size, align);
+
+	return ptr;
 }
 
 bool __init early_init_dt_verify(void *params)