diff options
| author | Stephen Champion <schamp@sgi.com> | 2016-09-18 16:37:43 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-19 09:40:36 +0200 |
| commit | 29c877a5892e42a6b57812514d90ff4357511d90 (patch) | |
| tree | 31ac207dad260840e0ace4d912b8f6e22efa0316 /drivers/staging/lustre/lustre/ldlm/ldlm_lib.c | |
| parent | f32a692993dd6238b7261c2e1fe971ab3195b5b3 (diff) | |
| download | op-kernel-dev-29c877a5892e42a6b57812514d90ff4357511d90.zip op-kernel-dev-29c877a5892e42a6b57812514d90ff4357511d90.tar.gz | |
staging: lustre: misc: Reduce exposure to overflow on page counters.
When the number of an object in use or circulation is tied to memory
size of the system, very large memory systems can overflow 32 bit
counters. This patch addresses overflow on page counters in the osc LRU
and obd accounting.
Signed-off-by: Stephen Champion <schamp@sgi.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4856
Reviewed-on: http://review.whamcloud.com/10537
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre/lustre/ldlm/ldlm_lib.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/ldlm/ldlm_lib.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c index 0d466e2..9a5f56a 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c @@ -328,11 +328,11 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) /* lru for osc. */ INIT_LIST_HEAD(&cli->cl_lru_osc); atomic_set(&cli->cl_lru_shrinkers, 0); - atomic_set(&cli->cl_lru_busy, 0); - atomic_set(&cli->cl_lru_in_list, 0); + atomic_long_set(&cli->cl_lru_busy, 0); + atomic_long_set(&cli->cl_lru_in_list, 0); INIT_LIST_HEAD(&cli->cl_lru_list); spin_lock_init(&cli->cl_lru_list_lock); - atomic_set(&cli->cl_unstable_count, 0); + atomic_long_set(&cli->cl_unstable_count, 0); init_waitqueue_head(&cli->cl_destroy_waitq); atomic_set(&cli->cl_destroy_in_flight, 0); |
