[RFC PATCH 01/09] robust VM per_cpu mm header update

Steven Rostedt rostedt at goodmis.org
Wed May 17 19:56:55 EST 2006


This patch declares the three functions needed by the archs to
implement the percpu VM.

Signed-off-by: Steven Rostedt <rostedt at goodmis.org>

Index: linux-2.6.16-test/include/linux/mm.h
===================================================================
--- linux-2.6.16-test.orig/include/linux/mm.h	2006-05-17 04:32:27.000000000 -0400
+++ linux-2.6.16-test/include/linux/mm.h	2006-05-17 04:56:52.000000000 -0400
@@ -795,6 +795,15 @@ int __pmd_alloc(struct mm_struct *mm, pu
 int __pte_alloc(struct mm_struct *mm, pmd_t *pmd, unsigned long address);
 int __pte_alloc_kernel(pmd_t *pmd, unsigned long address);

+#ifdef CONFIG_HAS_VM_PERCPU
+pud_t *pud_boot_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long addr,
+		      int cpu);
+pmd_t *pmd_boot_alloc(struct mm_struct *mm, pud_t *pud, unsigned long addr,
+		      int cpu);
+pte_t *pte_boot_alloc(struct mm_struct *mm, pmd_t *pmd, unsigned long addr,
+		      int cpu);
+#endif
+
 /*
  * The following ifdef needed to get the 4level-fixup.h header to work.
  * Remove it when 4level-fixup.h has been removed.




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