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vmalloc: add __get_vm_area_caller()
We have get_vm_area_caller() and __get_vm_area() but not __get_vm_area_caller() On powerpc, I use __get_vm_area() to separate the ranges of addresses given to vmalloc vs. ioremap (various good reasons for that) so in order to be able to implement the new caller tracking in /proc/vmallocinfo, I need a "_caller" variant of it. (akpm: needed for ongoing powerpc development, so merge it early) [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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2 changed files with 12 additions and 0 deletions
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@ -84,6 +84,10 @@ extern struct vm_struct *get_vm_area_caller(unsigned long size,
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unsigned long flags, void *caller);
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extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
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unsigned long start, unsigned long end);
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extern struct vm_struct *__get_vm_area_caller(unsigned long size,
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unsigned long flags,
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unsigned long start, unsigned long end,
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void *caller);
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extern struct vm_struct *get_vm_area_node(unsigned long size,
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unsigned long flags, int node,
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gfp_t gfp_mask);
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@ -1106,6 +1106,14 @@ struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
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}
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EXPORT_SYMBOL_GPL(__get_vm_area);
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struct vm_struct *__get_vm_area_caller(unsigned long size, unsigned long flags,
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unsigned long start, unsigned long end,
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void *caller)
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{
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return __get_vm_area_node(size, flags, start, end, -1, GFP_KERNEL,
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caller);
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}
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/**
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* get_vm_area - reserve a contiguous kernel virtual area
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* @size: size of the area
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