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mm/vmalloc.c: improve vfree() kerneldoc
vfree() might sleep if called not in interrupt context. Explain that in the comment. Link: http://lkml.kernel.org/r/20180914130512.10394-2-aryabinin@virtuozzo.com Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1577,6 +1577,8 @@ void vfree_atomic(const void *addr)
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* have CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG, but making the calling
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* have CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG, but making the calling
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* conventions for vfree() arch-depenedent would be a really bad idea)
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* conventions for vfree() arch-depenedent would be a really bad idea)
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*
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*
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* May sleep if called *not* from interrupt context.
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*
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* NOTE: assumes that the object at @addr has a size >= sizeof(llist_node)
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* NOTE: assumes that the object at @addr has a size >= sizeof(llist_node)
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*/
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*/
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void vfree(const void *addr)
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void vfree(const void *addr)
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