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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-02-25 16:04:03 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-25 16:38:34 +0100 |
| commit | 34754b69a6f87aa6aa2860525a82f12532f83afd (patch) | |
| tree | 2f5234670238c3cf1139d09545fd25140f49c003 /mm/vmalloc.c | |
| parent | 95108fa34a83ffd97e0af959e4b28d7c62008781 (diff) | |
| download | lwn-34754b69a6f87aa6aa2860525a82f12532f83afd.tar.gz lwn-34754b69a6f87aa6aa2860525a82f12532f83afd.zip | |
x86: make vmap yell louder when it is used under irqs_disabled()
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 4dd2636d0b92..f83a70167b99 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -1257,6 +1257,7 @@ EXPORT_SYMBOL(vfree); void vunmap(const void *addr) { BUG_ON(in_interrupt()); + might_sleep(); __vunmap(addr, 0); } EXPORT_SYMBOL(vunmap); @@ -1276,6 +1277,8 @@ void *vmap(struct page **pages, unsigned int count, { struct vm_struct *area; + might_sleep(); + if (count > num_physpages) return NULL; |