/usr/src/zfs-0.6.5.6/config/kernel-kmap-atomic-args.m4 is in zfs-dkms 0.6.5.6-0ubuntu8.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | dnl #
dnl # 2.6.37 API change
dnl # kmap_atomic changed from assigning hard-coded named slot to using
dnl # push/pop based dynamical allocation.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS], [
AC_MSG_CHECKING([whether kmap_atomic wants 1 args])
ZFS_LINUX_TRY_COMPILE([
#include <linux/pagemap.h>
],[
struct page page;
kmap_atomic(&page);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_1ARG_KMAP_ATOMIC, 1,
[kmap_atomic wants 1 args])
],[
AC_MSG_RESULT(no)
])
])
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