[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/include/asm-ia64/sal.h b/include/asm-ia64/sal.h
index 3cd637a2c051..89594b442f83 100644
--- a/include/asm-ia64/sal.h
+++ b/include/asm-ia64/sal.h
@@ -896,6 +896,10 @@ struct palo_table {
         u8  reserved2[6];
 };
 
+#define NPTCG_FROM_PAL                  0
+#define NPTCG_FROM_PALO                 1
+#define NPTCG_FROM_KERNEL_PARAMETER     2
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_IA64_SAL_H */