Merge master.kernel.org:/pub/scm/linux/kernel/git/mingo/mutex-2.6

[powerpc.git] / arch / powerpc / mm / imalloc.c

diff --git a/arch/powerpc/mm/imalloc.c b/arch/powerpc/mm/imalloc.c
index c65b87b..8b0c132 100644 (file)
--- a/arch/powerpc/mm/imalloc.c
+++ b/arch/powerpc/mm/imalloc.c
@@ -14,9 +14,10 @@
 #include <asm/pgalloc.h>
 #include <asm/pgtable.h>
 #include <asm/semaphore.h>
-#include <asm/imalloc.h>
 #include <asm/cacheflush.h>
 
+#include "mmu_decl.h"
+
 static DECLARE_MUTEX(imlist_sem);
 struct vm_struct * imlist = NULL;
 
@@ -106,6 +107,7 @@ static int im_region_status(unsigned long v_addr, unsigned long size,
                if (v_addr < (unsigned long) tmp->addr + tmp->size)
                        break;
 
+       *vm = NULL;
        if (tmp) {
                if (im_region_overlaps(v_addr, size, tmp))
                        return IM_REGION_OVERLAP;
@@ -126,7 +128,6 @@ static int im_region_status(unsigned long v_addr, unsigned long size,
                }
        }
 
-       *vm = NULL;
        return IM_REGION_UNUSED;
 }
 
@@ -300,12 +301,7 @@ void im_free(void * addr)
        for (p = &imlist ; (tmp = *p) ; p = &tmp->next) {
                if (tmp->addr == addr) {
                        *p = tmp->next;
-
-                       /* XXX: do we need the lock? */
-                       spin_lock(&init_mm.page_table_lock);
                        unmap_vm_area(tmp);
-                       spin_unlock(&init_mm.page_table_lock);
-
                        kfree(tmp);
                        up(&imlist_sem);
                        return;