From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id D18B01A042E for ; Mon, 22 Feb 2016 13:41:30 +1100 (AEDT) From: Paul Mackerras To: linuxppc-dev@ozlabs.org Cc: Michael Ellerman , "Aneesh Kumar K.V" Subject: [PATCH 8/9] powerpc/mm/book3s-64: Move software-used bits in PTE Date: Mon, 22 Feb 2016 13:41:19 +1100 Message-Id: <1456108880-27464-9-git-send-email-paulus@ozlabs.org> In-Reply-To: <1456108880-27464-1-git-send-email-paulus@ozlabs.org> References: <1456108880-27464-1-git-send-email-paulus@ozlabs.org> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Paul Mackerras 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 --- arch/powerpc/include/asm/book3s/64/hash.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h index cd4bf95..ef9bd68 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 -- 2.6.4