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Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/mm/ioremap.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index d176b23110c..804de18abcc 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -117,8 +117,8 @@ int ioremap_change_attr(unsigned long vaddr, unsigned long size,
* have to convert them into an offset in a page-aligned mapping, but the
* caller shouldn't need to know that small detail.
*/
-static void __iomem *__ioremap(resource_size_t phys_addr, unsigned long size,
- unsigned long prot_val)
+static void __iomem *__ioremap_caller(resource_size_t phys_addr,
+ unsigned long size, unsigned long prot_val, void *caller)
{
unsigned long pfn, offset, vaddr;
resource_size_t last_addr;
@@ -212,7 +212,7 @@ static void __iomem *__ioremap(resource_size_t phys_addr, unsigned long size,
/*
* Ok, go for it..
*/
- area = get_vm_area(size, VM_IOREMAP);
+ area = get_vm_area_caller(size, VM_IOREMAP, caller);
if (!area)
return NULL;
area->phys_addr = phys_addr;
@@ -255,7 +255,8 @@ static void __iomem *__ioremap(resource_size_t phys_addr, unsigned long size,
*/
void __iomem *ioremap_nocache(resource_size_t phys_addr, unsigned long size)
{
- return __ioremap(phys_addr, size, _PAGE_CACHE_UC);
+ return __ioremap_caller(phys_addr, size, _PAGE_CACHE_UC,
+ __builtin_return_address(0));
}
EXPORT_SYMBOL(ioremap_nocache);
@@ -272,7 +273,8 @@ EXPORT_SYMBOL(ioremap_nocache);
void __iomem *ioremap_wc(unsigned long phys_addr, unsigned long size)
{
if (pat_wc_enabled)
- return __ioremap(phys_addr, size, _PAGE_CACHE_WC);
+ return __ioremap_caller(phys_addr, size, _PAGE_CACHE_WC,
+ __builtin_return_address(0));
else
return ioremap_nocache(phys_addr, size);
}
@@ -280,7 +282,8 @@ EXPORT_SYMBOL(ioremap_wc);
void __iomem *ioremap_cache(resource_size_t phys_addr, unsigned long size)
{
- return __ioremap(phys_addr, size, _PAGE_CACHE_WB);
+ return __ioremap_caller(phys_addr, size, _PAGE_CACHE_WB,
+ __builtin_return_address(0));
}
EXPORT_SYMBOL(ioremap_cache);