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Commit bf3cdeda authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: wire up vmallocinfo support in ioremap() implementations. 



This wires up the caller information for the ioremap VMA, which allows
for more helpful caller tracking via /proc/vmallocinfo. Follows the x86
and powerpc changes of the same nature.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 1232d88a

arch/sh/include/asm/io.h

+8 −2
Original line number Diff line number Diff line
@@ -233,10 +233,16 @@ unsigned long long poke_real_address_q(unsigned long long addr, 
 * doesn't exist, so everything must go through page tables.

 */

#ifdef CONFIG_MMU

void __iomem *__ioremap(unsigned long offset, unsigned long size,

			unsigned long flags);

void __iomem *__ioremap_caller(unsigned long offset, unsigned long size,

			       unsigned long flags, void *caller);

void __iounmap(void __iomem *addr);



static inline void __iomem *

__ioremap(unsigned long offset, unsigned long size, unsigned long flags)

{

	return __ioremap_caller(offset, size, flags, __builtin_return_address(0));

}



static inline void __iomem *

__ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)

{

arch/sh/mm/ioremap_32.c

+5 −5
Original line number Diff line number Diff line
@@ -33,8 +33,8 @@ 
 * have to convert them into an offset in a page-aligned mapping, but the

 * caller shouldn't need to know that small detail.

 */

void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,

			unsigned long flags)

void __iomem *__ioremap_caller(unsigned long phys_addr, unsigned long size,

			       unsigned long flags, void *caller)

{

	struct vm_struct *area;

	unsigned long offset, last_addr, addr, orig_addr;
@@ -67,7 +67,7 @@ void __iomem *__ioremap(unsigned long 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;
@@ -103,7 +103,7 @@ void __iomem *__ioremap(unsigned long phys_addr, unsigned long size, 


	return (void __iomem *)(offset + (char *)orig_addr);

}

EXPORT_SYMBOL(__ioremap);

EXPORT_SYMBOL(__ioremap_caller);



void __iounmap(void __iomem *addr)

{

arch/sh/mm/ioremap_64.c

+3 −3
Original line number Diff line number Diff line
@@ -258,15 +258,15 @@ static void shmedia_unmapioaddr(unsigned long vaddr) 
	pte_clear(&init_mm, vaddr, ptep);

}



void __iomem *__ioremap(unsigned long offset, unsigned long size,

			unsigned long flags)

void __iomem *__ioremap_caller(unsigned long offset, unsigned long size,

			       unsigned long flags, void *caller)

{

	char name[14];



	sprintf(name, "phys_%08x", (u32)offset);

	return shmedia_alloc_io(offset, size, name, flags);

}

EXPORT_SYMBOL(__ioremap);

EXPORT_SYMBOL(__ioremap_caller);



void __iounmap(void __iomem *virtual)

{