lkml.org 
[lkml]   [2009]   [Feb]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH 15 of 36] x86: unify pud_index
Date
From
Impact: cleanup

Unify and demacro pud_index.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
---
arch/x86/include/asm/pgtable.h | 6 ++++++
arch/x86/include/asm/pgtable_64.h | 2 --
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -538,6 +538,12 @@
{
return pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT);
}
+
+/* to find an entry in a page-table-directory. */
+static inline unsigned pud_index(unsigned long address)
+{
+ return (address >> PUD_SHIFT) & (PTRS_PER_PUD - 1);
+}
#endif /* PAGETABLE_LEVELS > 3 */

#endif /* __ASSEMBLY__ */
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -182,8 +182,6 @@
#define mk_kernel_pgd(address) __pgd((address) | _KERNPG_TABLE)

/* PUD - Level3 access */
-/* to find an entry in a page-table-directory. */
-#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)))




\
 
 \ /
  Last update: 2009-02-05 20:41    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site