add mm argument to pte/pmd/pud/pgd_free

(with Martin Schwidefsky <schwidefsky@de.ibm.com>)

The pgd/pud/pmd/pte page table allocation functions get a mm_struct pointer as
first argument.  The free functions do not get the mm_struct argument.  This
is 1) asymmetrical and 2) to do mm related page table allocations the mm
argument is needed on the free function as well.

[kamalesh@linux.vnet.ibm.com: i386 fix]
[akpm@linux-foundation.org: coding-syle fixes]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/include/asm-powerpc/pgalloc-32.h b/include/asm-powerpc/pgalloc-32.h
index e1307432163c..c162a4c37b39 100644
--- a/include/asm-powerpc/pgalloc-32.h
+++ b/include/asm-powerpc/pgalloc-32.h
@@ -6,14 +6,14 @@
 extern void __bad_pte(pmd_t *pmd);
 
 extern pgd_t *pgd_alloc(struct mm_struct *mm);
-extern void pgd_free(pgd_t *pgd);
+extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
 
 /*
  * We don't have any real pmd's, and this code never triggers because
  * the pgd will always be present..
  */
 /* #define pmd_alloc_one(mm,address)       ({ BUG(); ((pmd_t *)2); }) */
-#define pmd_free(x)                     do { } while (0)
+#define pmd_free(mm, x)                 do { } while (0)
 #define __pmd_free_tlb(tlb,x)           do { } while (0)
 /* #define pgd_populate(mm, pmd, pte)      BUG() */
 
@@ -31,10 +31,10 @@ extern void pgd_free(pgd_t *pgd);
 
 extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
 extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr);
-extern void pte_free_kernel(pte_t *pte);
-extern void pte_free(struct page *pte);
+extern void pte_free_kernel(struct mm_struct *mm, pte_t *pte);
+extern void pte_free(struct mm_struct *mm, struct page *pte);
 
-#define __pte_free_tlb(tlb, pte)        pte_free((pte))
+#define __pte_free_tlb(tlb, pte)        pte_free((tlb)->mm, (pte))
 
 #define check_pgt_cache()       do { } while (0)