diff options
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 /drivers/xen | |
parent | cb1d150d809e2409725ba275c5101c4fc4465b8e (diff) | |
parent | 586187d7de71b4da7956ba588ae42253b9ff6482 (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 'drivers/xen')
-rw-r--r-- | drivers/xen/swiotlb-xen.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index bb7888429be6..877baf2a94f4 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -214,10 +214,13 @@ retry: /* * Get IO TLB memory from any location. */ - if (early) + if (early) { xen_io_tlb_start = memblock_alloc(PAGE_ALIGN(bytes), PAGE_SIZE); - else { + if (!xen_io_tlb_start) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_ALIGN(bytes), PAGE_SIZE); + } else { #define SLABS_PER_PAGE (1 << (PAGE_SHIFT - IO_TLB_SHIFT)) #define IO_TLB_MIN_SLABS ((1<<20) >> IO_TLB_SHIFT) while ((SLABS_PER_PAGE << order) > IO_TLB_MIN_SLABS) { |