ipc,shm: shorten critical region in shmctl_down

[platform/adaptation/renesas_rcar/renesas_kernel.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 479eeaf..1a036cd 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1898,6 +1898,18 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        will be sent.
                        The default is to send the implementation identification
                        information.
+       
+       nfs.recover_lost_locks =
+                       [NFSv4] Attempt to recover locks that were lost due
+                       to a lease timeout on the server. Please note that
+                       doing this risks data corruption, since there are
+                       no guarantees that the file will remain unchanged
+                       after the locks are lost.
+                       If you want to enable the kernel legacy behaviour of
+                       attempting to recover these locks, then set this
+                       parameter to '1'.
+                       The default parameter value of '0' causes the kernel
+                       not to attempt recovery of lost locks.
 
        nfsd.nfs4_disable_idmapping=
                        [NFSv4] When set to the default of '1', the NFSv4