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>
diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
index 3a32af4..a485ac3 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 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 @@
#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 70997d5..e2e8d29 100644
--- a/arch/arm/mm/copypage-feroceon.c
+++ b/arch/arm/mm/copypage-feroceon.c
@@ -68,7 +68,7 @@
}
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 de9c068..f72303e 100644
--- a/arch/arm/mm/copypage-v3.c
+++ b/arch/arm/mm/copypage-v3.c
@@ -38,7 +38,7 @@
}
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 7370a71..598c51a 100644
--- a/arch/arm/mm/copypage-v4mc.c
+++ b/arch/arm/mm/copypage-v4mc.c
@@ -69,7 +69,7 @@
}
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 9ab0984..e9920f6 100644
--- a/arch/arm/mm/copypage-v4wb.c
+++ b/arch/arm/mm/copypage-v4wb.c
@@ -48,7 +48,7 @@
}
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 300efaf..172e6a5 100644
--- a/arch/arm/mm/copypage-v4wt.c
+++ b/arch/arm/mm/copypage-v4wt.c
@@ -44,7 +44,7 @@
}
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 4127a7b..334d560 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -34,7 +34,7 @@
* 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 @@
* 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 bc4525f..18ae05d 100644
--- a/arch/arm/mm/copypage-xsc3.c
+++ b/arch/arm/mm/copypage-xsc3.c
@@ -71,7 +71,7 @@
}
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 76824d3..9920c0a 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -91,7 +91,7 @@
}
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);