From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: mpe@ellerman.id.au
Cc: linuxppc-dev@lists.ozlabs.org,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Subject: [PATCH] powerpc/mm: Add virt_to_pfn and use this instead of opencoding
Date: Thu, 3 Sep 2015 13:20:56 +0530 [thread overview]
Message-ID: <1441266656-4789-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> (raw)
This add helper virt_to_pfn and remove the opencoded usage of the
same.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
arch/powerpc/include/asm/page.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 71294a6e976e..168ca67e39b3 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -127,9 +127,10 @@ extern long long virt_phys_offset;
#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr)
#endif
-#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
+#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
+#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
-#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
+#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
/*
* On Book-E parts we need __va to parse the device tree and we can't
--
2.5.0
next reply other threads:[~2015-09-03 7:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-03 7:50 Aneesh Kumar K.V [this message]
2015-10-02 7:47 ` powerpc/mm: Add virt_to_pfn and use this instead of opencoding Michael Ellerman
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