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authorRalf Baechle <ralf@linux-mips.org>2007-03-23 21:36:37 +0000
committerRalf Baechle <ralf@linux-mips.org>2007-03-24 17:01:49 +0000
commit7575a49f209190ca640e0da792565a1bcb641f3e (patch)
treedb47f9fe06fefd279841941c5ff6f8d63dc54c45 /arch
parent80e89593e5a574a572f4e45e157733b5ea5ddfdb (diff)
[MIPS] Implement flush_anon_page().
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/mm/cache.c16
-rw-r--r--arch/mips/mm/init.c4
2 files changed, 17 insertions, 3 deletions
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 31819c58bff..4e8f1b68337 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -3,7 +3,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1994 - 2003 by Ralf Baechle
+ * Copyright (C) 1994 - 2003, 07 by Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2007 MIPS Technologies, Inc.
*/
#include <linux/init.h>
#include <linux/kernel.h>
@@ -88,6 +89,19 @@ void __flush_dcache_page(struct page *page)
EXPORT_SYMBOL(__flush_dcache_page);
+void __flush_anon_page(struct page *page, unsigned long vmaddr)
+{
+ if (pages_do_alias((unsigned long)page_address(page), vmaddr)) {
+ void *kaddr;
+
+ kaddr = kmap_coherent(page, vmaddr);
+ flush_data_cache_page((unsigned long)kaddr);
+ kunmap_coherent(kaddr);
+ }
+}
+
+EXPORT_SYMBOL(__flush_anon_page);
+
void __update_cache(struct vm_area_struct *vma, unsigned long address,
pte_t pte)
{
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 25abe91da4a..e9951c0e689 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -123,7 +123,7 @@ static void __init kmap_coherent_init(void)
static inline void kmap_coherent_init(void) {}
#endif
-static inline void *kmap_coherent(struct page *page, unsigned long addr)
+void *kmap_coherent(struct page *page, unsigned long addr)
{
enum fixed_addresses idx;
unsigned long vaddr, flags, entrylo;
@@ -177,7 +177,7 @@ static inline void *kmap_coherent(struct page *page, unsigned long addr)
#define UNIQUE_ENTRYHI(idx) (CKSEG0 + ((idx) << (PAGE_SHIFT + 1)))
-static inline void kunmap_coherent(struct page *page)
+void kunmap_coherent(struct page *page)
{
#ifndef CONFIG_MIPS_MT_SMTC
unsigned int wired;