The patch titled
mm: use debug_kmap_atomic
has been added to the -mm tree. Its filename is
use-debug_kmap_atomic.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: mm: use debug_kmap_atomic
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Use debug_kmap_atomic in kmap_atomic, kmap_atomic_pfn, and
iomap_atomic_prot_pfn.
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: <linux-arch@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/mips/mm/highmem.c | 2 ++
arch/powerpc/include/asm/highmem.h | 2 ++
arch/sparc/mm/highmem.c | 1 +
arch/x86/mm/highmem_32.c | 1 +
arch/x86/mm/iomap_32.c | 2 ++
include/asm-frv/highmem.h | 2 ++
include/asm-mn10300/highmem.h | 2 ++
7 files changed, 12 insertions(+)
diff -puN arch/mips/mm/highmem.c~use-debug_kmap_atomic arch/mips/mm/highmem.c
--- a/arch/mips/mm/highmem.c~use-debug_kmap_atomic
+++ a/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));
diff -puN arch/powerpc/include/asm/highmem.h~use-debug_kmap_atomic arch/powerpc/include/asm/highmem.h
--- a/arch/powerpc/include/asm/highmem.h~use-debug_kmap_atomic
+++ a/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
diff -puN arch/sparc/mm/highmem.c~use-debug_kmap_atomic arch/sparc/mm/highmem.c
--- a/arch/sparc/mm/highmem.c~use-debug_kmap_atomic
+++ a/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);
diff -puN arch/x86/mm/highmem_32.c~use-debug_kmap_atomic arch/x86/mm/highmem_32.c
--- a/arch/x86/mm/highmem_32.c~use-debug_kmap_atomic
+++ a/arch/x86/mm/highmem_32.c
@@ -88,6 +88,7 @@ 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));
diff -puN arch/x86/mm/iomap_32.c~use-debug_kmap_atomic arch/x86/mm/iomap_32.c
--- a/arch/x86/mm/iomap_32.c~use-debug_kmap_atomic
+++ a/arch/x86/mm/iomap_32.c
@@ -19,6 +19,7 @@
#include <asm/iomap.h>
#include <asm/pat.h>
#include <linux/module.h>
+#include <linux/highmem.h>
int is_io_mapping_possible(resource_size_t base, unsigned long size)
{
@@ -41,6 +42,7 @@ iomap_atomic_prot_pfn(unsigned long pfn,
pagefault_disable();
+ debug_kmap_atomic(type);
/*
* For non-PAT systems, promote PAGE_KERNEL_WC to PAGE_KERNEL_UC_MINUS.
* PAGE_KERNEL_WC maps to PWT, which translates to uncached if the
diff -puN include/asm-frv/highmem.h~use-debug_kmap_atomic include/asm-frv/highmem.h
--- a/include/asm-frv/highmem.h~use-debug_kmap_atomic
+++ a/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) {
diff -puN include/asm-mn10300/highmem.h~use-debug_kmap_atomic include/asm-mn10300/highmem.h
--- a/include/asm-mn10300/highmem.h~use-debug_kmap_atomic
+++ a/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
_
Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx are
generic-debug-pagealloc-v4.patch
generic-debug-pagealloc-depend-on-config_debug_kernel.patch
generic-debug-pagealloc-cannot-depend-on-hibernation.patch
introduce-debug_kmap_atomic.patch
use-debug_kmap_atomic.patch
loop-add-ioctl-to-resize-a-loop-device.patch
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