Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

[linux-beck.git] / mm / vmalloc.c

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index c623e0ce3f0037614c68aff82be764f11b6f0148..9f909622a25eb9f5ac3f5489465d18c02d961c24 100644 (file)
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -516,6 +516,15 @@ static atomic_t vmap_lazy_nr = ATOMIC_INIT(0);
 /* for per-CPU blocks */
 static void purge_fragmented_blocks_allcpus(void);
 
+/*
+ * called before a call to iounmap() if the caller wants vm_area_struct's
+ * immediately freed.
+ */
+void set_iounmap_nonlazy(void)
+{
+       atomic_set(&vmap_lazy_nr, lazy_max_pages()+1);
+}
+
 /*
  * Purges all lazily-freed vmap areas.
  *