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Aaron Tomlin 14e50c6a9b mm: slab: Verify the nodeid passed to ____cache_alloc_node 
If the nodeid is > num_online_nodes() this can cause an Oops and a
panic(). The purpose of this patch is to assert if this condition is
true to aid debugging efforts rather than some random NULL pointer
dereference or page fault.

This patch is in response to BZ#42967 [1].  Using VM_BUG_ON so it's used
only when CONFIG_DEBUG_VM is set, given that ____cache_alloc_node() is a
hot code path.

[1]: https://bugzilla.kernel.org/show_bug.cgi?id=42967

Signed-off-by: Aaron Tomlin <atomlin@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Acked-by: Christoph Lameter <cl@linux.com>
Acked-by: Rafael Aquini <aquini@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
 		2013-05-01 10:57:43 +03:00
..
Kconfig memory-hotplug: document and enable CONFIG_MOVABLE_NODE 2012-12-18 15:02:12 -08:00
Kconfig.debug
…
Makefile mm: introduce a common interface for balloon pages mobility 2012-12-11 17:22:26 -08:00
backing-dev.c Revert "bdi: add a user-tunable cpu_list for the bdi flusher threads" 2012-12-17 11:29:09 -08:00
balloon_compaction.c mm: introduce a common interface for balloon pages mobility 2012-12-11 17:22:26 -08:00
bootmem.c mm/bootmem.c: remove unused wrapper function reserve_bootmem_generic() 2012-12-12 17:38:35 -08:00
bounce.c
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cleancache.c
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compaction.c compaction: fix build error in CMA && !COMPACTION 2012-12-20 17:40:18 -08:00
debug-pagealloc.c
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dmapool.c dmapool: make DMAPOOL_DEBUG detect corruption of free marker 2012-12-11 17:22:24 -08:00
fadvise.c
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failslab.c
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filemap.c
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filemap_xip.c mm: move all mmu notifier invocations to be done outside the PT lock 2012-10-09 16:22:58 +09:00
fremap.c remap_file_pages: correctly handle the case of a NULL vm_ops pointer 2012-10-19 13:37:57 -07:00
frontswap.c
…
highmem.c Some nice cleanups, and even a patch my wife did as a "live" demo for 2012-12-20 08:37:05 -08:00
huge_memory.c mm: clean up transparent hugepage sysfs error messages 2012-12-20 17:40:20 -08:00
hugetlb.c mm/hugetlb: create hugetlb cgroup file in hugetlb_init 2012-12-18 15:02:15 -08:00
hugetlb_cgroup.c mm/hugetlb: create hugetlb cgroup file in hugetlb_init 2012-12-18 15:02:15 -08:00
hwpoison-inject.c
…
init-mm.c
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internal.h Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
interval_tree.c
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kmemcheck.c
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kmemleak-test.c
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kmemleak.c mm/kmemleak.c: remove obsolete simple_strtoul 2012-12-18 15:02:15 -08:00
ksm.c ksm: make rmap walks more scalable 2012-12-20 07:06:56 -08:00
maccess.c
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madvise.c
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memblock.c x86, mm: Trim memory in memblock to be page aligned 2012-10-24 11:52:21 -07:00
memcontrol.c memcg: don't register hotcpu notifier from ->css_alloc() 2012-12-20 17:40:20 -08:00
memory-failure.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
memory.c mm: use kbasename() 2012-12-17 17:15:17 -08:00
memory_hotplug.c mm/memory_hotplug.c: improve comments 2012-12-18 15:02:15 -08:00
mempolicy.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
mempool.c
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migrate.c mm,numa: fix update_mmu_cache_pmd call 2012-12-17 19:37:03 -08:00
mincore.c
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mlock.c mm, thp: fix mlock statistics 2012-10-09 16:23:03 +09:00
mm_init.c
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mmap.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
mmu_context.c
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mmu_notifier.c mm/mmu_notifier: allocate mmu_notifier in advance 2012-10-25 14:37:53 -07:00
mmzone.c memcg: fix hotplugged memory zone oops 2012-11-16 14:33:04 -08:00
mprotect.c mm/mprotect.c: coding-style cleanups 2012-12-18 15:02:15 -08:00
mremap.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
msync.c
…
nobootmem.c mm: introduce new field "managed_pages" to struct zone 2012-12-12 17:38:34 -08:00
nommu.c mm: export a function to get vm committed memory 2012-11-15 15:41:22 -08:00
oom_kill.c mm, oom: remove redundant sleep in pagefault oom handler 2012-12-12 17:38:34 -08:00
page-writeback.c mm: fix calculation of dirtyable memory 2012-12-20 17:40:18 -08:00
page_alloc.c mm: cma: WARN if freed memory is still in use 2012-12-20 17:40:19 -08:00
page_cgroup.c memcontrol: use N_MEMORY instead N_HIGH_MEMORY 2012-12-12 17:38:32 -08:00
page_io.c
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page_isolation.c memory-hotplug: skip HWPoisoned page when offlining pages 2012-12-11 17:22:22 -08:00
pagewalk.c thp: change split_huge_page_pmd() interface 2012-12-12 17:38:31 -08:00
percpu-km.c
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percpu-vm.c
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percpu.c mm, percpu: Make sure percpu_alloc early parameter has an argument 2012-12-02 06:23:04 -08:00
pgtable-generic.c mm: Only flush the TLB when clearing an accessible pte 2012-12-11 14:28:34 +00:00
process_vm_access.c
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quicklist.c
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readahead.c
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rmap.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
shmem.c lseek: the "whence" argument is called "whence" 2012-12-17 17:15:12 -08:00
slab.c mm: slab: Verify the nodeid passed to ____cache_alloc_node 2013-05-01 10:57:43 +03:00
slab.h slab: Common definition for kmem_cache_node 2013-02-01 12:32:09 +02:00
slab_common.c mm/sl[au]b: correct allocation type check in kmalloc_slab() 2013-02-06 20:37:55 +02:00
slob.c sl[au]b: always get the cache from its page in kmem_cache_free() 2012-12-18 15:02:14 -08:00
slub.c slub: tid must be retrieved from the percpu area of the current processor 2013-04-05 14:23:06 +03:00
sparse-vmemmap.c
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sparse.c memory-hotplug, mm/sparse.c: clear the memory to store struct page 2012-12-11 17:22:23 -08:00
swap.c mm: remove vma arg from page_evictable 2012-10-09 16:22:55 +09:00
swap_state.c
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swapfile.c mm, oom: fix race when specifying a thread as the oom origin 2012-12-11 17:22:27 -08:00
truncate.c mm: drop vmtruncate 2012-12-20 18:46:29 -05:00
util.c Merge branch 'master' into for-next 2012-10-28 19:29:19 +01:00
vmalloc.c mm: use IS_ENABLED(CONFIG_NUMA) instead of NUMA_BUILD 2012-12-11 17:22:22 -08:00
vmscan.c mm: do not sleep in balance_pgdat if there's no i/o congestion 2012-12-20 07:06:56 -08:00
vmstat.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00