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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-18 11:10:03 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-02-15 21:39:11 (GMT) |
| commit | 31aa8fd6fd30b0f36416df7d09619768d26b4332 (patch) | |
| tree | d44a7edc5287cf73df43206712e3736ae9b1de5a /arch/arm/include | |
| parent | 7284ce6c9f6153d1777df5f310c959724d1bd446 (diff) | |
| download | linux-31aa8fd6fd30b0f36416df7d09619768d26b4332.tar.xz | |
ARM: Add caller information to ioremap
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>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/io.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index d2a59cf..c980156 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -69,9 +69,16 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen); /* * __arm_ioremap takes CPU physical address. * __arm_ioremap_pfn takes a Page Frame Number and an offset into that page + * The _caller variety takes a __builtin_return_address(0) value for + * /proc/vmalloc to use - and should only be used in non-inline functions. */ -extern void __iomem * __arm_ioremap_pfn(unsigned long, unsigned long, size_t, unsigned int); -extern void __iomem * __arm_ioremap(unsigned long, size_t, unsigned int); +extern void __iomem *__arm_ioremap_pfn_caller(unsigned long, unsigned long, + size_t, unsigned int, void *); +extern void __iomem *__arm_ioremap_caller(unsigned long, size_t, unsigned int, + void *); + +extern void __iomem *__arm_ioremap_pfn(unsigned long, unsigned long, size_t, unsigned int); +extern void __iomem *__arm_ioremap(unsigned long, size_t, unsigned int); extern void __iounmap(volatile void __iomem *addr); /* |