]>
Commit | Line | Data |
---|---|---|
e9a77290 | 1 | dnl # |
2 | dnl # 4.8 API change | |
3 | dnl # | |
4 | dnl # 75ef71840539 mm, vmstat: add infrastructure for per-node vmstats | |
5 | dnl # 599d0c954f91 mm, vmscan: move LRU lists to node | |
6 | dnl # | |
7 | AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_NODE_PAGE_STATE], [ | |
8 | AC_MSG_CHECKING([whether global_node_page_state() exists]) | |
9 | ZFS_LINUX_TRY_COMPILE([ | |
10 | #include <linux/mm.h> | |
11 | #include <linux/vmstat.h> | |
12 | ],[ | |
13 | (void) global_node_page_state(0); | |
14 | ],[ | |
15 | AC_MSG_RESULT(yes) | |
16 | AC_DEFINE(ZFS_GLOBAL_NODE_PAGE_STATE, 1, [global_node_page_state() exists]) | |
17 | ],[ | |
18 | AC_MSG_RESULT(no) | |
19 | ]) | |
20 | ]) | |
21 | ||
22 | dnl # | |
23 | dnl # 4.14 API change | |
24 | dnl # | |
25 | dnl # c41f012ade0b mm: rename global_page_state to global_zone_page_state | |
26 | dnl # | |
27 | AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_ZONE_PAGE_STATE], [ | |
28 | AC_MSG_CHECKING([whether global_zone_page_state() exists]) | |
29 | ZFS_LINUX_TRY_COMPILE([ | |
30 | #include <linux/mm.h> | |
31 | #include <linux/vmstat.h> | |
32 | ],[ | |
33 | (void) global_zone_page_state(0); | |
34 | ],[ | |
35 | AC_MSG_RESULT(yes) | |
36 | AC_DEFINE(ZFS_GLOBAL_ZONE_PAGE_STATE, 1, [global_zone_page_state() exists]) | |
37 | ],[ | |
38 | AC_MSG_RESULT(no) | |
39 | ]) | |
40 | ]) | |
41 | ||
42 | dnl # | |
43 | dnl # Create a define and autoconf variable for an enum member | |
44 | dnl # | |
45 | AC_DEFUN([ZFS_AC_KERNEL_ENUM_MEMBER], [ | |
46 | AC_MSG_CHECKING([whether enum $2 contains $1]) | |
47 | AS_IF([AC_TRY_COMMAND("${srcdir}/scripts/enum-extract.pl" "$2" "$3" | egrep -qx $1)],[ | |
48 | AC_MSG_RESULT([yes]) | |
49 | AC_DEFINE(m4_join([_], [ZFS_ENUM], m4_toupper($2), $1), 1, [enum $2 contains $1]) | |
50 | m4_join([_], [ZFS_ENUM], m4_toupper($2), $1)=1 | |
51 | ],[ | |
52 | AC_MSG_RESULT([no]) | |
53 | ]) | |
54 | ]) | |
55 | ||
56 | dnl # | |
57 | dnl # Sanity check helpers | |
58 | dnl # | |
59 | AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_ERROR],[ | |
60 | AC_MSG_RESULT(no) | |
61 | AC_MSG_RESULT([$1 in either node_stat_item or zone_stat_item: $2]) | |
62 | AC_MSG_RESULT([configure needs updating, see: config/kernel-global_page_state.m4]) | |
63 | AC_MSG_FAILURE([SHUT 'ER DOWN CLANCY, SHE'S PUMPIN' MUD!]) | |
64 | ]) | |
65 | ||
66 | AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK], [ | |
67 | enum_check_a="m4_join([_], [$ZFS_ENUM_NODE_STAT_ITEM], $1)" | |
68 | enum_check_b="m4_join([_], [$ZFS_ENUM_ZONE_STAT_ITEM], $1)" | |
69 | AS_IF([test -n "$enum_check_a" -a -n "$enum_check_b"],[ | |
70 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_ERROR([$1], [DUPLICATE]) | |
71 | ]) | |
72 | AS_IF([test -z "$enum_check_a" -a -z "$enum_check_b"],[ | |
73 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_ERROR([$1], [NOT FOUND]) | |
74 | ]) | |
75 | ]) | |
76 | ||
77 | dnl # | |
78 | dnl # Ensure the config tests are finding one and only one of each enum of interest | |
79 | dnl # | |
80 | AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_ZONE_PAGE_STATE_SANITY], [ | |
81 | AC_MSG_CHECKING([global_page_state enums are sane]) | |
82 | ||
83 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_FILE_PAGES]) | |
84 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_INACTIVE_ANON]) | |
85 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_INACTIVE_FILE]) | |
86 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_SLAB_RECLAIMABLE]) | |
87 | ||
88 | AC_MSG_RESULT(yes) | |
89 | ]) | |
90 | ||
91 | dnl # | |
92 | dnl # enum members in which we're interested | |
93 | dnl # | |
94 | AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_PAGE_STATE], [ | |
95 | ZFS_AC_KERNEL_GLOBAL_NODE_PAGE_STATE | |
96 | ZFS_AC_KERNEL_GLOBAL_ZONE_PAGE_STATE | |
97 | ||
98 | ZFS_AC_KERNEL_ENUM_MEMBER([NR_FILE_PAGES], [node_stat_item], [$LINUX/include/linux/mmzone.h]) | |
99 | ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_ANON], [node_stat_item], [$LINUX/include/linux/mmzone.h]) | |
100 | ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_FILE], [node_stat_item], [$LINUX/include/linux/mmzone.h]) | |
101 | ZFS_AC_KERNEL_ENUM_MEMBER([NR_SLAB_RECLAIMABLE], [node_stat_item], [$LINUX/include/linux/mmzone.h]) | |
102 | ||
103 | ZFS_AC_KERNEL_ENUM_MEMBER([NR_FILE_PAGES], [zone_stat_item], [$LINUX/include/linux/mmzone.h]) | |
104 | ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_ANON], [zone_stat_item], [$LINUX/include/linux/mmzone.h]) | |
105 | ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_FILE], [zone_stat_item], [$LINUX/include/linux/mmzone.h]) | |
106 | ZFS_AC_KERNEL_ENUM_MEMBER([NR_SLAB_RECLAIMABLE], [zone_stat_item], [$LINUX/include/linux/mmzone.h]) | |
107 | ||
108 | ZFS_AC_KERNEL_GLOBAL_ZONE_PAGE_STATE_SANITY | |
109 | ]) |