From: Paul Mackerras Date: Mon, 22 Feb 2016 02:41:19 +0000 (+1100) Subject: powerpc/mm/book3s-64: Move software-used bits in PTE X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e726202f06cbfda4e42d2b32138cf288445ec80d;p=linux-beck.git powerpc/mm/book3s-64: Move software-used bits in PTE This moves the _PAGE_SPECIAL and _PAGE_SOFT_DIRTY bits in the Linux PTE on 64-bit Book 3S systems to bit positions which are designated for software use in the radix PTE format used by PowerISA v3.0 CPUs in radix mode. Signed-off-by: Paul Mackerras Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h index cd4bf957af5a..ef9bd68f7e6d 100644 --- a/arch/powerpc/include/asm/book3s/64/hash.h +++ b/arch/powerpc/include/asm/book3s/64/hash.h @@ -26,13 +26,13 @@ #define _PAGE_WRITETHRU 0x00040 /* W: cache write-through */ #define _PAGE_DIRTY 0x00080 /* C: page changed */ #define _PAGE_ACCESSED 0x00100 /* R: page referenced */ +#define _PAGE_SPECIAL 0x00400 /* software: special page */ #define _PAGE_BUSY 0x00800 /* software: PTE & hash are busy */ -#define _PAGE_SPECIAL 0x10000 /* software: special page */ #ifdef CONFIG_MEM_SOFT_DIRTY -#define _PAGE_SOFT_DIRTY 0x20000 /* software: software dirty tracking */ +#define _PAGE_SOFT_DIRTY 0x200 /* software: software dirty tracking */ #else -#define _PAGE_SOFT_DIRTY 0x00000 +#define _PAGE_SOFT_DIRTY 0x000 #endif #define _PAGE_F_GIX_SHIFT 57