From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Thu, 5 Feb 2009 19:30:55 +0000 (-0800)
Subject: x86: unify pud_page
X-Git-Tag: firefly_0821_release~14004^2~37^2~2^4~20^2~25
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f476961cb16312fe4cb80b2b457ef9acf220a7fc;p=firefly-linux-kernel-4.4.55.git

x86: unify pud_page

Impact: cleanup

Unify and demacro pud_page.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
---

diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
index 542616ac192a..28ba09ac2308 100644
--- a/arch/x86/include/asm/pgtable-3level.h
+++ b/arch/x86/include/asm/pgtable-3level.h
@@ -115,8 +115,6 @@ static inline void pud_clear(pud_t *pudp)
 		write_cr3(pgd);
 }
 
-#define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT)
-
 /* Find an entry in the second-level page table.. */
 #define pmd_offset(pud, address) ((pmd_t *)pud_page_vaddr(*(pud)) +	\
 				  pmd_index(address))
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index bd38feb34921..a871ae55a5c5 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -438,6 +438,7 @@ static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
 #endif
 
 #ifndef __ASSEMBLY__
+#include <linux/mm_types.h>
 
 static inline int pte_none(pte_t pte)
 {
@@ -477,6 +478,11 @@ static inline unsigned long pud_page_vaddr(pud_t pud)
 {
 	return (unsigned long)__va((unsigned long)pud_val(pud) & PTE_PFN_MASK);
 }
+
+static inline struct page *pud_page(pud_t pud)
+{
+	return pfn_to_page(pud_val(pud) >> PAGE_SHIFT);
+}
 #endif	/* PAGETABLE_LEVELS > 2 */
 
 #if PAGETABLE_LEVELS > 3
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 9875e40c058d..7edacc7ec89f 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -185,7 +185,6 @@ static inline int pgd_large(pgd_t pgd) { return 0; }
 
 /* PUD - Level3 access */
 /* to find an entry in a page-table-directory. */
-#define pud_page(pud)	(pfn_to_page(pud_val((pud)) >> PAGE_SHIFT))
 #define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1))
 #define pud_offset(pgd, address)					\
 	((pud_t *)pgd_page_vaddr(*(pgd)) + pud_index((address)))