From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au
Cc: linuxppc-dev@lists.ozlabs.org,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Subject: [PATCH 2/5] powerpc/mm: Express everything based on Radix page table defines
Date: Tue, 21 Feb 2017 13:49:14 +0530 [thread overview]
Message-ID: <1487665157-22893-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> (raw)
In-Reply-To: <1487665157-22893-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
arch/powerpc/include/asm/book3s/64/hash-64k.h | 4 ++--
arch/powerpc/include/asm/book3s/64/pgtable.h | 2 ++
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h
index b39f0b86405e..7be54f9590a3 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h
@@ -10,8 +10,8 @@
* 64k aligned address free up few of the lower bits of RPN for us
* We steal that here. For more deatils look at pte_pfn/pfn_pte()
*/
-#define H_PAGE_COMBO 0x00001000 /* this is a combo 4k page */
-#define H_PAGE_4K_PFN 0x00002000 /* PFN is for a single 4k page */
+#define H_PAGE_COMBO _RPAGE_RPN0 /* this is a combo 4k page */
+#define H_PAGE_4K_PFN _RPAGE_RPN1 /* PFN is for a single 4k page */
/*
* We need to differentiate between explicit huge page and THP huge
* page, since THP huge page also need to track real subpage details
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 8ae9e0be3a6f..dec136742cd7 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -30,6 +30,8 @@
#define _RPAGE_RSV2 0x0800000000000000UL
#define _RPAGE_RSV3 0x0400000000000000UL
#define _RPAGE_RSV4 0x0200000000000000UL
+#define _RPAGE_RPN0 0x01000
+#define _RPAGE_RPN1 0x02000
#define _PAGE_SOFT_DIRTY _RPAGE_SW3 /* software: software dirty tracking */
#define _PAGE_SPECIAL _RPAGE_SW2 /* software: special page */
--
2.7.4
next prev parent reply other threads:[~2017-02-21 8:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-21 8:19 [PATCH 1/5] powerpc/mm: Conditional defines of pte bits are messy Aneesh Kumar K.V
2017-02-21 8:19 ` Aneesh Kumar K.V [this message]
2017-02-21 8:19 ` [PATCH 3/5] powerpc/mm: Lower the max real address to 51 bits Aneesh Kumar K.V
2017-02-21 8:19 ` [PATCH 4/5] powerpc/mm/radix: Make max pfn bits a variable Aneesh Kumar K.V
2017-02-21 8:19 ` [PATCH 5/5] powerpc/mm: Move hash specific pte bits to be top bits of RPN Aneesh Kumar K.V
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