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dnl #
dnl # 5.11 API change
dnl # kmap_atomic() was deprecated in favor of kmap_local_page()
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_KMAP_LOCAL_PAGE], [
ZFS_LINUX_TEST_SRC([kmap_local_page], [
#include <linux/highmem.h>
],[
struct page page;
kmap_local_page(&page);
])
])
AC_DEFUN([ZFS_AC_KERNEL_KMAP_LOCAL_PAGE], [
AC_MSG_CHECKING([whether kmap_local_page exists])
ZFS_LINUX_TEST_RESULT([kmap_local_page], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_KMAP_LOCAL_PAGE, 1,
[kernel has kmap_local_page])
],[
AC_MSG_RESULT(no)
])
])
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