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authorRobert Richter <robert.richter@amd.com>2010-10-25 16:58:34 +0200
committerRobert Richter <robert.richter@amd.com>2010-10-25 16:58:34 +0200
commit4cafc4b8d7219b70e15f22e4a51b3ce847810caf (patch)
tree8051ea3f36f0682d08f47df8e35e14ca7eb7a5d7 /mm/vmalloc.c
parentb47fad3bfb5940cc3e28a1c69716f6dc44e4b7e6 (diff)
parentdbd1e66e04558a582e673bc4a9cd933ce0228d93 (diff)
Merge branch 'oprofile/core' into oprofile/x86
Conflicts: arch/x86/oprofile/op_model_amd.c Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'mm/vmalloc.c')
-rw-r--r--mm/vmalloc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 6b8889da69a..d8087f0db50 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -517,6 +517,15 @@ static atomic_t vmap_lazy_nr = ATOMIC_INIT(0);
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.
*
* If sync is 0 then don't purge if there is already a purge in progress.