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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-10-05 15:17:45 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-10-05 15:17:45 +0100
commitf00a75c094c340c4e7435665816c3273c870e849 (patch)
tree079eaaa6101806b8b6d3de9cd8ce5df3c69bb286 /arch/arm
parent8a0382f6fceaf0c6479e582e1054f36333ea3d24 (diff)
ARM: Pass VMA to copy_user_highpage() implementations
Our copy_user_highpage() implementations may require cache maintainence. Ensure that implementations have all necessary details to perform this maintainence. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/include/asm/page.h7
-rw-r--r--arch/arm/mm/copypage-feroceon.c2
-rw-r--r--arch/arm/mm/copypage-v3.c2
-rw-r--r--arch/arm/mm/copypage-v4mc.c2
-rw-r--r--arch/arm/mm/copypage-v4wb.c2
-rw-r--r--arch/arm/mm/copypage-v4wt.c2
-rw-r--r--arch/arm/mm/copypage-v6.c4
-rw-r--r--arch/arm/mm/copypage-xsc3.c2
-rw-r--r--arch/arm/mm/copypage-xscale.c2
9 files changed, 13 insertions, 12 deletions
diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
index 3a32af4cce3..a485ac3c869 100644
--- a/arch/arm/include/asm/page.h
+++ b/arch/arm/include/asm/page.h
@@ -117,11 +117,12 @@
#endif
struct page;
+struct vm_area_struct;
struct cpu_user_fns {
void (*cpu_clear_user_highpage)(struct page *page, unsigned long vaddr);
void (*cpu_copy_user_highpage)(struct page *to, struct page *from,
- unsigned long vaddr);
+ unsigned long vaddr, struct vm_area_struct *vma);
};
#ifdef MULTI_USER
@@ -137,7 +138,7 @@ extern struct cpu_user_fns cpu_user;
extern void __cpu_clear_user_highpage(struct page *page, unsigned long vaddr);
extern void __cpu_copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr);
+ unsigned long vaddr, struct vm_area_struct *vma);
#endif
#define clear_user_highpage(page,vaddr) \
@@ -145,7 +146,7 @@ extern void __cpu_copy_user_highpage(struct page *to, struct page *from,
#define __HAVE_ARCH_COPY_USER_HIGHPAGE
#define copy_user_highpage(to,from,vaddr,vma) \
- __cpu_copy_user_highpage(to, from, vaddr)
+ __cpu_copy_user_highpage(to, from, vaddr, vma)
#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
extern void copy_page(void *to, const void *from);
diff --git a/arch/arm/mm/copypage-feroceon.c b/arch/arm/mm/copypage-feroceon.c
index 70997d5bee2..e2e8d29c548 100644
--- a/arch/arm/mm/copypage-feroceon.c
+++ b/arch/arm/mm/copypage-feroceon.c
@@ -68,7 +68,7 @@ feroceon_copy_user_page(void *kto, const void *kfrom)
}
void feroceon_copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr)
+ unsigned long vaddr, struct vm_area_struct *vma)
{
void *kto, *kfrom;
diff --git a/arch/arm/mm/copypage-v3.c b/arch/arm/mm/copypage-v3.c
index de9c06854ad..f72303e1d80 100644
--- a/arch/arm/mm/copypage-v3.c
+++ b/arch/arm/mm/copypage-v3.c
@@ -38,7 +38,7 @@ v3_copy_user_page(void *kto, const void *kfrom)
}
void v3_copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr)
+ unsigned long vaddr, struct vm_area_struct *vma)
{
void *kto, *kfrom;
diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c
index 7370a7142b0..598c51ad507 100644
--- a/arch/arm/mm/copypage-v4mc.c
+++ b/arch/arm/mm/copypage-v4mc.c
@@ -69,7 +69,7 @@ mc_copy_user_page(void *from, void *to)
}
void v4_mc_copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr)
+ unsigned long vaddr, struct vm_area_struct *vma)
{
void *kto = kmap_atomic(to, KM_USER1);
diff --git a/arch/arm/mm/copypage-v4wb.c b/arch/arm/mm/copypage-v4wb.c
index 9ab09841422..e9920f68b76 100644
--- a/arch/arm/mm/copypage-v4wb.c
+++ b/arch/arm/mm/copypage-v4wb.c
@@ -48,7 +48,7 @@ v4wb_copy_user_page(void *kto, const void *kfrom)
}
void v4wb_copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr)
+ unsigned long vaddr, struct vm_area_struct *vma)
{
void *kto, *kfrom;
diff --git a/arch/arm/mm/copypage-v4wt.c b/arch/arm/mm/copypage-v4wt.c
index 300efafd664..172e6a55458 100644
--- a/arch/arm/mm/copypage-v4wt.c
+++ b/arch/arm/mm/copypage-v4wt.c
@@ -44,7 +44,7 @@ v4wt_copy_user_page(void *kto, const void *kfrom)
}
void v4wt_copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr)
+ unsigned long vaddr, struct vm_area_struct *vma)
{
void *kto, *kfrom;
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index 4127a7bddfe..334d5602770 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -34,7 +34,7 @@ static DEFINE_SPINLOCK(v6_lock);
* attack the kernel's existing mapping of these pages.
*/
static void v6_copy_user_highpage_nonaliasing(struct page *to,
- struct page *from, unsigned long vaddr)
+ struct page *from, unsigned long vaddr, struct vm_area_struct *vma)
{
void *kto, *kfrom;
@@ -73,7 +73,7 @@ static void discard_old_kernel_data(void *kto)
* Copy the page, taking account of the cache colour.
*/
static void v6_copy_user_highpage_aliasing(struct page *to,
- struct page *from, unsigned long vaddr)
+ struct page *from, unsigned long vaddr, struct vm_area_struct *vma)
{
unsigned int offset = CACHE_COLOUR(vaddr);
unsigned long kfrom, kto;
diff --git a/arch/arm/mm/copypage-xsc3.c b/arch/arm/mm/copypage-xsc3.c
index bc4525f5ab2..18ae05d5829 100644
--- a/arch/arm/mm/copypage-xsc3.c
+++ b/arch/arm/mm/copypage-xsc3.c
@@ -71,7 +71,7 @@ xsc3_mc_copy_user_page(void *kto, const void *kfrom)
}
void xsc3_mc_copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr)
+ unsigned long vaddr, struct vm_area_struct *vma)
{
void *kto, *kfrom;
diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
index 76824d3e966..9920c0ae209 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -91,7 +91,7 @@ mc_copy_user_page(void *from, void *to)
}
void xscale_mc_copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr)
+ unsigned long vaddr, struct vm_area_struct *vma)
{
void *kto = kmap_atomic(to, KM_USER1);