Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 79952
b: refs/heads/master
c: 6b4b05b
h: refs/heads/master
v: v3
  • Loading branch information
Randy Dunlap authored and Ingo Molnar committed Jan 30, 2008
1 parent 0369b37 commit 183e5dc
Show file tree
Hide file tree
Showing 3 changed files with 50 additions and 12 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: b23be399da88a5008b1db4db06f03146b25cdc52
refs/heads/master: 6b4b05bd790389962e6fcfc862562e7fa239c9d2
39 changes: 33 additions & 6 deletions trunk/include/asm-x86/page_32.h
Original file line number Diff line number Diff line change
Expand Up @@ -12,12 +12,21 @@
#ifdef __KERNEL__
#ifndef __ASSEMBLY__

#include <linux/string.h>

#ifdef CONFIG_X86_USE_3DNOW

#include <asm/mmx.h>

#define clear_page(page) mmx_clear_page((void *)(page))
#define copy_page(to,from) mmx_copy_page(to,from)
static inline void clear_page(void *page)
{
mmx_clear_page(page);
}

static inline void copy_page(void *to, void *from)
{
mmx_copy_page(to, from);
}

#else

Expand All @@ -26,13 +35,31 @@
* Maybe the K6-III ?
*/

#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE)
static inline void clear_page(void *page)
{
memset(page, 0, PAGE_SIZE);
}

static inline void copy_page(void *to, void *from)
{
memcpy(to, from, PAGE_SIZE);
}

#endif

#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
struct page;

static void inline clear_user_page(void *page, unsigned long vaddr,
struct page *pg)
{
clear_page(page);
}

static void inline copy_user_page(void *to, void *from, unsigned long vaddr,
struct page *topage)
{
copy_page(to, from);
}

#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
Expand Down
21 changes: 16 additions & 5 deletions trunk/include/asm-x86/page_64.h
Original file line number Diff line number Diff line change
Expand Up @@ -43,11 +43,22 @@
extern unsigned long end_pfn;
extern unsigned long end_pfn_map;

void clear_page(void *);
void copy_page(void *, void *);

#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
void clear_page(void *page);
void copy_page(void *to, void *from);

struct page;

static void inline clear_user_page(void *page, unsigned long vaddr,
struct page *pg)
{
clear_page(page);
}

static void inline copy_user_page(void *to, void *from, unsigned long vaddr,
struct page *topage)
{
copy_page(to, from);
}

#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
Expand Down

0 comments on commit 183e5dc

Please sign in to comment.