diff options
| author | dbavatar <[email protected]> | 2017-08-24 13:48:23 -0400 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2017-08-24 10:48:23 -0700 |
| commit | 2209e40981e887c773914ec0f3b73cedf45ddb7d (patch) | |
| tree | 3184936f39ef8d3081ee24a1d06a594c49f916ed /module/zfs/arc.c | |
| parent | 076e9b946ef7a706ce2926c29912c467cdeddab6 (diff) | |
Linux 4.8+ compatibility fix for vm stats
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 <[email protected]>
Reviewed-by: Chunwei Chen <[email protected]>
Signed-off-by: Debabrata Banerjee <[email protected]>
Closes #6528
Diffstat (limited to 'module/zfs/arc.c')
| -rw-r--r-- | module/zfs/arc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/module/zfs/arc.c b/module/zfs/arc.c index d7ad101c3..75f0af9d5 100644 --- a/module/zfs/arc.c +++ b/module/zfs/arc.c @@ -5064,8 +5064,13 @@ arc_evictable_memory(void) * Scale reported evictable memory in proportion to page cache, cap * at specified min/max. */ +#ifdef ZFS_GLOBAL_NODE_PAGE_STATE + uint64_t min = (ptob(global_node_page_state(NR_FILE_PAGES)) / 100) * + zfs_arc_pc_percent; +#else uint64_t min = (ptob(global_page_state(NR_FILE_PAGES)) / 100) * zfs_arc_pc_percent; +#endif min = MAX(arc_c_min, MIN(arc_c_max, min)); if (arc_dirty >= min) |