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, 5 insertions, 5 deletions

diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 59822dee438a..e3e72418f241 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -348,7 +348,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
         return pgd;
 }
 
-void pgd_free(pgd_t *pgd)
+void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 {
         free_page((unsigned long) pgd);
 }
diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index f859ec306cd5..b56fe8b67a81 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -58,9 +58,9 @@ static int init_stub_pte(struct mm_struct *mm, unsigned long proc,
         return 0;
 
  out_pmd:
-        pud_free(pud);
+        pud_free(mm, pud);
  out_pte:
-        pmd_free(pmd);
+        pmd_free(mm, pmd);
  out:
         return -ENOMEM;
 }
@@ -144,10 +144,10 @@ void destroy_context(struct mm_struct *mm)
         if (!proc_mm || !ptrace_faultinfo) {
                 free_page(mmu->id.stack);
                 pte_lock_deinit(virt_to_page(mmu->last_page_table));
-                pte_free_kernel((pte_t *) mmu->last_page_table);
+                pte_free_kernel(mm, (pte_t *) mmu->last_page_table);
                 dec_zone_page_state(virt_to_page(mmu->last_page_table), NR_PAGETABLE);
 #ifdef CONFIG_3_LEVEL_PGTABLES
-                pmd_free((pmd_t *) mmu->last_pmd);
+                pmd_free(mm, (pmd_t *) mmu->last_pmd);
 #endif
         }