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authorAnton Blanchard <anton@samba.org>2011-05-08 21:18:38 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-05-19 14:30:42 +1000
commitd988f0e3f84cb8a4f85ccdbca6f6fefcc37bedcb (patch)
tree60feffdec36d0a484b0d8d7d8dbdf5baf73aea7e /arch/powerpc/include
parent37e0c21e9b5b6d6fd38a444762076c84c6170598 (diff)
powerpc: Simplify 4k/64k copy_page logic
To make it easier to add optimised versions of copy_page, remove the 4kB loop for 64kB pages and just do all the work in copy_page. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/page_64.h19
1 files changed, 1 insertions, 18 deletions
diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h
index 488c52eb64cb..9356262fd3cc 100644
--- a/arch/powerpc/include/asm/page_64.h
+++ b/arch/powerpc/include/asm/page_64.h
@@ -59,24 +59,7 @@ static __inline__ void clear_page(void *addr)
: "ctr", "memory");
}
-extern void copy_4K_page(void *to, void *from);
-
-#ifdef CONFIG_PPC_64K_PAGES
-static inline void copy_page(void *to, void *from)
-{
- unsigned int i;
- for (i=0; i < (1 << (PAGE_SHIFT - 12)); i++) {
- copy_4K_page(to, from);
- to += 4096;
- from += 4096;
- }
-}
-#else /* CONFIG_PPC_64K_PAGES */
-static inline void copy_page(void *to, void *from)
-{
- copy_4K_page(to, from);
-}
-#endif /* CONFIG_PPC_64K_PAGES */
+extern void copy_page(void *to, void *from);
/* Log 2 of page table size */
extern u64 ppc64_pft_size;