2209e40981
vm_node_stat must be used instead of vm_zone_stat. Unfortunately the old code still compiles potentially leading to silent failure of arc_evictable_memory() AKAMAI: CR 3816601: Regression in zfs dropcache test Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Chunwei Chen <tuxoko@gmail.com> Signed-off-by: Debabrata Banerjee <dbanerje@akamai.com> Closes #6528
23 lines
565 B
Plaintext
23 lines
565 B
Plaintext
dnl #
|
|
dnl # 4.8 API change
|
|
dnl # kernel vm counters change
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_VM_NODE_STAT], [
|
|
AC_MSG_CHECKING([whether to use vm_node_stat based fn's])
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#include <linux/mm.h>
|
|
#include <linux/vmstat.h>
|
|
],[
|
|
int a __attribute__ ((unused)) = NR_VM_NODE_STAT_ITEMS;
|
|
long x __attribute__ ((unused)) =
|
|
atomic_long_read(&vm_node_stat[0]);
|
|
(void) global_node_page_state(0);
|
|
],[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(ZFS_GLOBAL_NODE_PAGE_STATE, 1,
|
|
[using global_node_page_state()])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|