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ARM: Add caller information to ioremap

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This allows the procfs vmallocinfo file to show who created the ioremap
regions.  Note: __builtin_return_address(0) doesn't do what's expected
if its used in an inline function, so we leave __arm_ioremap callers
in such places alone.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2009-12-18 11:10:03 +00:00
parent 7284ce6c9f
commit 31aa8fd6fd
8 changed files with 65 additions and 32 deletions
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12
arch/arm/mm/nommu.c
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@ -74,6 +74,12 @@ void __iomem *__arm_ioremap_pfn(unsigned long pfn, unsigned long offset,
}
EXPORT_SYMBOL(__arm_ioremap_pfn);
void __iomem *__arm_ioremap_pfn_caller(unsigned long pfn, unsigned long offset,
size_t size, unsigned int mtype, void *caller)
{
return __arm_ioremap_pfn(pfn, offset, size, mtype);
}
void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size,
unsigned int mtype)
{
@ -81,6 +87,12 @@ void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size,
}
EXPORT_SYMBOL(__arm_ioremap);
void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size,
unsigned int mtype, void *caller)
{
return __arm_ioremap(phys_addr, size, mtype);
}
void __iounmap(volatile void __iomem *addr)
{
}