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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-12 10:39:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-12 10:39:53 -0700 |
| commit | a667cb7a94d48a483fb5d6006fe04a440f1a42ce (patch) | |
| tree | ccb9e596db96d53fcc4ba13a3370ec84912d0f22 /arch/nds32/mm/init.c | |
| parent | cb1d150d809e2409725ba275c5101c4fc4465b8e (diff) | |
| parent | 586187d7de71b4da7956ba588ae42253b9ff6482 (diff) | |
| download | linux-a667cb7a94d48a483fb5d6006fe04a440f1a42ce.tar.gz linux-a667cb7a94d48a483fb5d6006fe04a440f1a42ce.tar.bz2 linux-a667cb7a94d48a483fb5d6006fe04a440f1a42ce.zip | |
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/nds32/mm/init.c')
| -rw-r--r-- | arch/nds32/mm/init.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c index d1e521cce317..1d03633f89a9 100644 --- a/arch/nds32/mm/init.c +++ b/arch/nds32/mm/init.c @@ -79,6 +79,9 @@ static void __init map_ram(void) /* Alloc one page for holding PTE's... */ pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); set_pmd(pme, __pmd(__pa(pte) + _PAGE_KERNEL_TABLE)); /* Fill the newly allocated page with PTE'S */ @@ -111,6 +114,9 @@ static void __init fixedrange_init(void) pud = pud_offset(pgd, vaddr); pmd = pmd_offset(pud, vaddr); fixmap_pmd_p = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!fixmap_pmd_p) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); set_pmd(pmd, __pmd(__pa(fixmap_pmd_p) + _PAGE_KERNEL_TABLE)); #ifdef CONFIG_HIGHMEM @@ -123,6 +129,9 @@ static void __init fixedrange_init(void) pud = pud_offset(pgd, vaddr); pmd = pmd_offset(pud, vaddr); pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); set_pmd(pmd, __pmd(__pa(pte) + _PAGE_KERNEL_TABLE)); pkmap_page_table = pte; #endif /* CONFIG_HIGHMEM */ @@ -148,6 +157,9 @@ void __init paging_init(void) /* allocate space for empty_zero_page */ zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); zone_sizes_init(); empty_zero_page = virt_to_page(zero_page); |