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Date: Sat, 14 Mar 2009 13:20:56 +0900
From: Akinobu Mita <akinobu.mita@...il.com>
To: mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
tglx@...utronix.de, mingo@...e.hu
Cc: linux-tip-commits@...r.kernel.org
Subject: [PATCH -tip 2/2] mm: use debug_kmap_atomic
Subject: mm: use debug_kmap_atomic
From: Akinobu Mita <akinobu.mita@...il.com>
Use debug_kmap_atomic in kmap_atomic, kmap_atomic_pfn, kmap_atomic_prot and
iomap_atomic_prot_pfn.
Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: <linux-arch@...r.kernel.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---
arch/mips/mm/highmem.c | 2 ++
arch/powerpc/include/asm/highmem.h | 2 ++
arch/sparc/mm/highmem.c | 1 +
arch/x86/mm/iomap_32.c | 3 ++-
include/asm-frv/highmem.h | 2 ++
include/asm-mn10300/highmem.h | 2 ++
6 files changed, 11 insertions(+), 1 deletion(-)
Index: linux-2.6-tip/arch/mips/mm/highmem.c
===================================================================
--- linux-2.6-tip.orig/arch/mips/mm/highmem.c
+++ linux-2.6-tip/arch/mips/mm/highmem.c
@@ -43,6 +43,7 @@ void *__kmap_atomic(struct page *page, e
if (!PageHighMem(page))
return page_address(page);
+ debug_kmap_atomic(type);
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
#ifdef CONFIG_DEBUG_HIGHMEM
@@ -91,6 +92,7 @@ void *kmap_atomic_pfn(unsigned long pfn,
pagefault_disable();
+ debug_kmap_atomic(type);
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
set_pte(kmap_pte-idx, pfn_pte(pfn, kmap_prot));
Index: linux-2.6-tip/arch/powerpc/include/asm/highmem.h
===================================================================
--- linux-2.6-tip.orig/arch/powerpc/include/asm/highmem.h
+++ linux-2.6-tip/arch/powerpc/include/asm/highmem.h
@@ -24,6 +24,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/highmem.h>
#include <asm/kmap_types.h>
#include <asm/tlbflush.h>
#include <asm/page.h>
@@ -94,6 +95,7 @@ static inline void *kmap_atomic_prot(str
if (!PageHighMem(page))
return page_address(page);
+ debug_kmap_atomic(type);
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
#ifdef CONFIG_DEBUG_HIGHMEM
Index: linux-2.6-tip/arch/sparc/mm/highmem.c
===================================================================
--- linux-2.6-tip.orig/arch/sparc/mm/highmem.c
+++ linux-2.6-tip/arch/sparc/mm/highmem.c
@@ -39,6 +39,7 @@ void *kmap_atomic(struct page *page, enu
if (!PageHighMem(page))
return page_address(page);
+ debug_kmap_atomic(type);
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
Index: linux-2.6-tip/arch/x86/mm/iomap_32.c
===================================================================
--- linux-2.6-tip.orig/arch/x86/mm/iomap_32.c
+++ linux-2.6-tip/arch/x86/mm/iomap_32.c
@@ -18,8 +18,8 @@
#include <asm/iomap.h>
#include <asm/pat.h>
-#include <asm/highmem.h>
#include <linux/module.h>
+#include <linux/highmem.h>
int is_io_mapping_possible(resource_size_t base, unsigned long size)
{
@@ -39,6 +39,7 @@ void *kmap_atomic_prot_pfn(unsigned long
pagefault_disable();
+ debug_kmap_atomic(type);
idx = type + KM_TYPE_NR * smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
set_pte(kmap_pte - idx, pfn_pte(pfn, prot));
Index: linux-2.6-tip/include/asm-frv/highmem.h
===================================================================
--- linux-2.6-tip.orig/include/asm-frv/highmem.h
+++ linux-2.6-tip/include/asm-frv/highmem.h
@@ -18,6 +18,7 @@
#ifdef __KERNEL__
#include <linux/init.h>
+#include <linux/highmem.h>
#include <asm/mem-layout.h>
#include <asm/spr-regs.h>
#include <asm/mb-regs.h>
@@ -116,6 +117,7 @@ static inline void *kmap_atomic(struct p
unsigned long paddr;
pagefault_disable();
+ debug_kmap_atomic(type);
paddr = page_to_phys(page);
switch (type) {
Index: linux-2.6-tip/include/asm-mn10300/highmem.h
===================================================================
--- linux-2.6-tip.orig/include/asm-mn10300/highmem.h
+++ linux-2.6-tip/include/asm-mn10300/highmem.h
@@ -16,6 +16,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/highmem.h>
#include <asm/kmap_types.h>
#include <asm/pgtable.h>
@@ -77,6 +78,7 @@ static inline unsigned long kmap_atomic(
if (page < highmem_start_page)
return page_address(page);
+ debug_kmap_atomic(type);
idx = type + KM_TYPE_NR * smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
#if HIGHMEM_DEBUG
--
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