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authorDavid S. Miller <davem@davemloft.net>2009-09-24 15:13:11 -0700
committerDavid S. Miller <davem@davemloft.net>2009-09-24 15:13:11 -0700
commit8b3f6af86378d0a10ca2f1ded1da124aef13b62c (patch)
treede6ca90295730343c495be8d98be8efa322140ef /arch/sh/include/asm/page.h
parent139d6065c83071d5f66cd013a274a43699f8e2c1 (diff)
parent94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff)
downloadop-kernel-dev-8b3f6af86378d0a10ca2f1ded1da124aef13b62c.zip
op-kernel-dev-8b3f6af86378d0a10ca2f1ded1da124aef13b62c.tar.gz
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/cpc-usb/TODO drivers/staging/cpc-usb/cpc-usb_drv.c drivers/staging/cpc-usb/cpc.h drivers/staging/cpc-usb/cpc_int.h drivers/staging/cpc-usb/cpcusb.h
Diffstat (limited to 'arch/sh/include/asm/page.h')
-rw-r--r--arch/sh/include/asm/page.h24
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 49592c7..81bffc0 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -50,26 +50,24 @@ extern unsigned long shm_align_mask;
extern unsigned long max_low_pfn, min_low_pfn;
extern unsigned long memory_start, memory_end;
-extern void clear_page(void *to);
+static inline unsigned long
+pages_do_alias(unsigned long addr1, unsigned long addr2)
+{
+ return (addr1 ^ addr2) & shm_align_mask;
+}
+
+
+#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
extern void copy_page(void *to, void *from);
-#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU) && \
- (defined(CONFIG_CPU_SH5) || defined(CONFIG_CPU_SH4) || \
- defined(CONFIG_SH7705_CACHE_32KB))
struct page;
struct vm_area_struct;
-extern void clear_user_page(void *to, unsigned long address, struct page *page);
-extern void copy_user_page(void *to, void *from, unsigned long address,
- struct page *page);
-#if defined(CONFIG_CPU_SH4)
+
extern void copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr, struct vm_area_struct *vma);
#define __HAVE_ARCH_COPY_USER_HIGHPAGE
-#endif
-#else
-#define clear_user_page(page, vaddr, pg) clear_page(page)
-#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-#endif
+extern void clear_user_highpage(struct page *page, unsigned long vaddr);
+#define clear_user_highpage clear_user_highpage
/*
* These are used to make use of C type-checking..
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