diff options
| author | Brian Behlendorf <[email protected]> | 2017-05-01 13:01:39 -0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2017-05-01 13:01:39 -0700 |
| commit | e99932f7dec6efeb006e225e0bf0901c30345cac (patch) | |
| tree | d60a90b668446903de304086a6480bef5fd38c42 /module | |
| parent | 692e55b8fea00a0d0bd46188d68031292f04e4a8 (diff) | |
Limit zfs_dirty_data_max_max to 4G
Reinstate default 4G zfs_dirty_data_max_max limit.
Reviewed-by: Giuseppe Di Natale <[email protected]>
Reviewed-by: Chunwei Chen <[email protected]>
Reviewed-by: George Melikov <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #6072
Closes #6081
Diffstat (limited to 'module')
| -rw-r--r-- | module/zfs/arc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/module/zfs/arc.c b/module/zfs/arc.c index d6244d19e..25fdbdd2b 100644 --- a/module/zfs/arc.c +++ b/module/zfs/arc.c @@ -6519,11 +6519,11 @@ arc_init(void) * If it has been set by a module parameter, take that. * Otherwise, use a percentage of physical memory defined by * zfs_dirty_data_max_percent (default 10%) with a cap at - * zfs_dirty_data_max_max (default 25% of physical memory). + * zfs_dirty_data_max_max (default 4G or 25% of physical memory). */ if (zfs_dirty_data_max_max == 0) - zfs_dirty_data_max_max = allmem * - zfs_dirty_data_max_max_percent / 100; + zfs_dirty_data_max_max = MIN(4ULL * 1024 * 1024 * 1024, + allmem * zfs_dirty_data_max_max_percent / 100); if (zfs_dirty_data_max == 0) { zfs_dirty_data_max = allmem * |