[IA64] Kernel parameter for max number of concurrent global TLB purges

The patch defines kernel parameter "nptcg=". The parameter overrides max number
of concurrent global TLB purges which is reported from either PAL_VM_SUMMARY or
SAL PALO.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4cd1a5da80a4..be92e6165722 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1335,6 +1335,10 @@ and is between 256 and 4096 characters. It is defined in the file
 
         nowb            [ARM]
 
+        nptcg=          [IA64] Override max number of concurrent global TLB
+                        purges which is reported from either PAL_VM_SUMMARY or
+                        SAL PALO.
+
         numa_zonelist_order= [KNL, BOOT] Select zonelist order for NUMA.
                         one of ['zone', 'node', 'default'] can be specified
                         This can be set from sysctl after boot.