Linux 3.6: kmap_atomic API change

[openafs.git] / src / cf / linux-test4.m4

diff --git a/src/cf/linux-test4.m4 b/src/cf/linux-test4.m4
index ac3fbea..fefa40e 100644 (file)
--- a/src/cf/linux-test4.m4
+++ b/src/cf/linux-test4.m4
@@ -665,3 +665,15 @@ AC_DEFUN([LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES], [
                        [define if encode_fh export op takes inode arguments],
                        [-Werror])
 ])
+
+
+AC_DEFUN([LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE], [
+  AC_CHECK_LINUX_BUILD([whether kmap_atomic takes no km_type argument],
+                       [ac_cv_linux_kma_atomic_takes_no_km_type],
+                       [#include <linux/highmem.h>],
+                       [struct page *p = NULL;
+                       kmap_atomic(p);],
+                       [KMAP_ATOMIC_TAKES_NO_KM_TYPE],
+                       [define if kmap_atomic takes no km_type argument],
+                       [-Werror])
+])