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>

2 files changed, 11 insertions, 11 deletions

diff --git a/include/asm-s390/pgalloc.h b/include/asm-s390/pgalloc.h
index 709dd1740956..6f6619ba8980 100644
--- a/include/asm-s390/pgalloc.h
+++ b/include/asm-s390/pgalloc.h
@@ -57,10 +57,10 @@ static inline unsigned long pgd_entry_type(struct mm_struct *mm)
 }
 
 #define pud_alloc_one(mm,address)               ({ BUG(); ((pud_t *)2); })
-#define pud_free(x)                             do { } while (0)
+#define pud_free(mm, x)                         do { } while (0)
 
 #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 pgd_populate(mm, pgd, pud)              BUG()
 #define pgd_populate_kernel(mm, pgd, pud)       BUG()
@@ -76,7 +76,7 @@ static inline unsigned long pgd_entry_type(struct mm_struct *mm)
 }
 
 #define pud_alloc_one(mm,address)               ({ BUG(); ((pud_t *)2); })
-#define pud_free(x)                             do { } while (0)
+#define pud_free(mm, x)                         do { } while (0)
 
 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long vmaddr)
 {
@@ -85,7 +85,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long vmaddr)
                 crst_table_init(crst, _SEGMENT_ENTRY_EMPTY);
         return (pmd_t *) crst;
 }
-#define pmd_free(pmd) crst_table_free((unsigned long *) pmd)
+#define pmd_free(mm, pmd) crst_table_free((unsigned long *)pmd)
 
 #define pgd_populate(mm, pgd, pud)              BUG()
 #define pgd_populate_kernel(mm, pgd, pud)       BUG()
@@ -115,7 +115,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
                 crst_table_init(crst, pgd_entry_type(mm));
         return (pgd_t *) crst;
 }
-#define pgd_free(pgd) crst_table_free((unsigned long *) pgd)
+#define pgd_free(mm, pgd) crst_table_free((unsigned long *) pgd)
 
 static inline void 
 pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
@@ -151,9 +151,9 @@ pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *page)
 #define pte_alloc_one(mm, vmaddr) \
         virt_to_page(page_table_alloc(s390_noexec))
 
-#define pte_free_kernel(pte) \
+#define pte_free_kernel(mm, pte) \
         page_table_free((unsigned long *) pte)
-#define pte_free(pte) \
+#define pte_free(mm, pte) \
         page_table_free((unsigned long *) page_to_phys((struct page *) pte))
 
 #endif /* _S390_PGALLOC_H */
diff --git a/include/asm-s390/tlb.h b/include/asm-s390/tlb.h
index 618693cfc10f..985de2b88279 100644
--- a/include/asm-s390/tlb.h
+++ b/include/asm-s390/tlb.h
@@ -65,9 +65,9 @@ static inline void tlb_flush_mmu(struct mmu_gather *tlb,
         if (!tlb->fullmm && (tlb->nr_ptes > 0 || tlb->nr_pmds < TLB_NR_PTRS))
                 __tlb_flush_mm(tlb->mm);
         while (tlb->nr_ptes > 0)
-                pte_free(tlb->array[--tlb->nr_ptes]);
+                pte_free(tlb->mm, tlb->array[--tlb->nr_ptes]);
         while (tlb->nr_pmds < TLB_NR_PTRS)
-                pmd_free((pmd_t *) tlb->array[tlb->nr_pmds++]);
+                pmd_free(tlb->mm, (pmd_t *) tlb->array[tlb->nr_pmds++]);
 }
 
 static inline void tlb_finish_mmu(struct mmu_gather *tlb,
@@ -102,7 +102,7 @@ static inline void pte_free_tlb(struct mmu_gather *tlb, struct page *page)
                 if (tlb->nr_ptes >= tlb->nr_pmds)
                         tlb_flush_mmu(tlb, 0, 0);
         } else
-                pte_free(page);
+                pte_free(tlb->mm, page);
 }
 
 /*
@@ -117,7 +117,7 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
                 if (tlb->nr_ptes >= tlb->nr_pmds)
                         tlb_flush_mmu(tlb, 0, 0);
         } else
-                pmd_free(pmd);
+                pmd_free(tlb->mm, pmd);
 #endif
 }