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https://git.proxmox.com/git/mirror_zfs.git
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110 lines
3.6 KiB
Plaintext
110 lines
3.6 KiB
Plaintext
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dnl #
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dnl # 4.8 API change
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dnl #
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dnl # 75ef71840539 mm, vmstat: add infrastructure for per-node vmstats
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dnl # 599d0c954f91 mm, vmscan: move LRU lists to node
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_NODE_PAGE_STATE], [
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AC_MSG_CHECKING([whether global_node_page_state() exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/mm.h>
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#include <linux/vmstat.h>
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],[
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(void) global_node_page_state(0);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(ZFS_GLOBAL_NODE_PAGE_STATE, 1, [global_node_page_state() exists])
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],[
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 4.14 API change
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dnl #
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dnl # c41f012ade0b mm: rename global_page_state to global_zone_page_state
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_ZONE_PAGE_STATE], [
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AC_MSG_CHECKING([whether global_zone_page_state() exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/mm.h>
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#include <linux/vmstat.h>
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],[
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(void) global_zone_page_state(0);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(ZFS_GLOBAL_ZONE_PAGE_STATE, 1, [global_zone_page_state() exists])
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],[
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # Create a define and autoconf variable for an enum member
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_ENUM_MEMBER], [
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AC_MSG_CHECKING([whether enum $2 contains $1])
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AS_IF([AC_TRY_COMMAND("${srcdir}/scripts/enum-extract.pl" "$2" "$3" | egrep -qx $1)],[
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AC_MSG_RESULT([yes])
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AC_DEFINE(m4_join([_], [ZFS_ENUM], m4_toupper($2), $1), 1, [enum $2 contains $1])
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m4_join([_], [ZFS_ENUM], m4_toupper($2), $1)=1
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],[
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AC_MSG_RESULT([no])
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])
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])
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dnl #
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dnl # Sanity check helpers
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_ERROR],[
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AC_MSG_RESULT(no)
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AC_MSG_RESULT([$1 in either node_stat_item or zone_stat_item: $2])
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AC_MSG_RESULT([configure needs updating, see: config/kernel-global_page_state.m4])
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AC_MSG_FAILURE([SHUT 'ER DOWN CLANCY, SHE'S PUMPIN' MUD!])
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])
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AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK], [
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enum_check_a="m4_join([_], [$ZFS_ENUM_NODE_STAT_ITEM], $1)"
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enum_check_b="m4_join([_], [$ZFS_ENUM_ZONE_STAT_ITEM], $1)"
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AS_IF([test -n "$enum_check_a" -a -n "$enum_check_b"],[
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ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_ERROR([$1], [DUPLICATE])
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])
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AS_IF([test -z "$enum_check_a" -a -z "$enum_check_b"],[
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ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_ERROR([$1], [NOT FOUND])
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])
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])
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dnl #
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dnl # Ensure the config tests are finding one and only one of each enum of interest
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_ZONE_PAGE_STATE_SANITY], [
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AC_MSG_CHECKING([global_page_state enums are sane])
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ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_FILE_PAGES])
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ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_INACTIVE_ANON])
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ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_INACTIVE_FILE])
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ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_SLAB_RECLAIMABLE])
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AC_MSG_RESULT(yes)
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])
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dnl #
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dnl # enum members in which we're interested
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_PAGE_STATE], [
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ZFS_AC_KERNEL_GLOBAL_NODE_PAGE_STATE
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ZFS_AC_KERNEL_GLOBAL_ZONE_PAGE_STATE
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ZFS_AC_KERNEL_ENUM_MEMBER([NR_FILE_PAGES], [node_stat_item], [$LINUX/include/linux/mmzone.h])
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ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_ANON], [node_stat_item], [$LINUX/include/linux/mmzone.h])
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ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_FILE], [node_stat_item], [$LINUX/include/linux/mmzone.h])
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ZFS_AC_KERNEL_ENUM_MEMBER([NR_SLAB_RECLAIMABLE], [node_stat_item], [$LINUX/include/linux/mmzone.h])
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ZFS_AC_KERNEL_ENUM_MEMBER([NR_FILE_PAGES], [zone_stat_item], [$LINUX/include/linux/mmzone.h])
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ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_ANON], [zone_stat_item], [$LINUX/include/linux/mmzone.h])
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ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_FILE], [zone_stat_item], [$LINUX/include/linux/mmzone.h])
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ZFS_AC_KERNEL_ENUM_MEMBER([NR_SLAB_RECLAIMABLE], [zone_stat_item], [$LINUX/include/linux/mmzone.h])
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ZFS_AC_KERNEL_GLOBAL_ZONE_PAGE_STATE_SANITY
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])
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