xref: /freebsd/sys/contrib/openzfs/config/kernel-percpu.m4 (revision c6989859ae9388eeb46a24fe88f9b8d07101c710)
1dnl #
2dnl # 3.18 API change,
3dnl # The function percpu_counter_init now must be passed a GFP mask.
4dnl #
5AC_DEFUN([ZFS_AC_KERNEL_SRC_PERCPU_COUNTER_INIT], [
6	ZFS_LINUX_TEST_SRC([percpu_counter_init_with_gfp], [
7		#include <linux/gfp.h>
8		#include <linux/percpu_counter.h>
9	],[
10		struct percpu_counter counter;
11		int error;
12
13		error = percpu_counter_init(&counter, 0, GFP_KERNEL);
14	])
15])
16
17AC_DEFUN([ZFS_AC_KERNEL_PERCPU_COUNTER_INIT], [
18	AC_MSG_CHECKING([whether percpu_counter_init() wants gfp_t])
19	ZFS_LINUX_TEST_RESULT([percpu_counter_init_with_gfp], [
20		AC_MSG_RESULT(yes)
21		AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_WITH_GFP, 1,
22		    [percpu_counter_init() wants gfp_t])
23	],[
24		AC_MSG_RESULT(no)
25	])
26])
27
28AC_DEFUN([ZFS_AC_KERNEL_SRC_PERCPU], [
29	ZFS_AC_KERNEL_SRC_PERCPU_COUNTER_INIT
30])
31
32AC_DEFUN([ZFS_AC_KERNEL_PERCPU], [
33	ZFS_AC_KERNEL_PERCPU_COUNTER_INIT
34])
35