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authorLinus Torvalds <torvalds@linux-foundation.org>2019-03-12 10:39:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-12 10:39:53 -0700
commita667cb7a94d48a483fb5d6006fe04a440f1a42ce (patch)
treeccb9e596db96d53fcc4ba13a3370ec84912d0f22 /arch/arm64/mm/mmu.c
parentcb1d150d809e2409725ba275c5101c4fc4465b8e (diff)
parent586187d7de71b4da7956ba588ae42253b9ff6482 (diff)
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() ...
Diffstat (limited to 'arch/arm64/mm/mmu.c')
-rw-r--r--arch/arm64/mm/mmu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 402b6495ff58..e97f018ff740 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -103,6 +103,8 @@ static phys_addr_t __init early_pgtable_alloc(void)
void *ptr;
phys = memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE);
+ if (!phys)
+ panic("Failed to allocate page table page\n");
/*
* The FIX_{PGD,PUD,PMD} slots may be in active use, but the FIX_PTE

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