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vmalloc: add __get_vm_area_caller()

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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)

[[email protected]: coding-style fixes]
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Reviewed-by: KOSAKI Motohiro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Benjamin Herrenschmidt 2009-02-18 14:48:12 -08:00 • committed by Linus Torvalds
commit c296861291
2 changed files with 12 additions and 0 deletions
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8
mm/vmalloc.c
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@ -1106,6 +1106,14 @@ struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
}
EXPORT_SYMBOL_GPL(__get_vm_area);
struct vm_struct *__get_vm_area_caller(unsigned long size, unsigned long flags,
unsigned long start, unsigned long end,
void *caller)
{
return __get_vm_area_node(size, flags, start, end, -1, GFP_KERNEL,
caller);
}
/**
* get_vm_area - reserve a contiguous kernel virtual area
* @size: size of the area