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>
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 374a831..9bfeb6b 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -74,6 +74,12 @@
}
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 @@
}
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)
{
}