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powerpc: Wire up /proc/vmallocinfo to our ioremap()

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This adds the necessary bits and pieces to powerpc implementation of
ioremap to benefit from caller tracking in /proc/vmallocinfo, at least
for ioremap's done after mem init as the older ones aren't tracked.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt
2009-02-22 16:19:14 +00:00
parent 16962e7ce1
commit 1cdab55d8a
6 changed files with 38 additions and 15 deletions
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6
arch/powerpc/include/asm/io.h
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@ -632,6 +632,9 @@ static inline void iosync(void)
* ioremap_flags and cannot be hooked (but can be used by a hook on one
* of the previous ones)
*
* * __ioremap_caller is the same as above but takes an explicit caller
* reference rather than using __builtin_return_address(0)
*
* * __iounmap, is the low level implementation used by iounmap and cannot
* be hooked (but can be used by a hook on iounmap)
*
@ -646,6 +649,9 @@ extern void iounmap(volatile void __iomem *addr);
extern void __iomem *__ioremap(phys_addr_t, unsigned long size,
unsigned long flags);
extern void __iomem *__ioremap_caller(phys_addr_t, unsigned long size,
unsigned long flags, void *caller);
extern void __iounmap(volatile void __iomem *addr);
extern void __iomem * __ioremap_at(phys_addr_t pa, void *ea,