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authorTony Luck <tony.luck@intel.com>2005-10-20 10:41:44 -0700
committerTony Luck <tony.luck@intel.com>2005-10-20 10:41:44 -0700
commit9cec58dc138d6fcad9f447a19c8ff69f6540e667 (patch)
tree4fe1cca94fdba8b705c87615bee06d3346f687ce /include/linux/cpumask.h
parent17e5ad6c0ce5a970e2830d0de8bdd60a2f077d38 (diff)
parentac9b9c667c2e1194e22ebe0a441ae1c37aaa9b90 (diff)
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Update from upstream with manual merge of Yasunori Goto's
changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341 since this file has been moved from arch/ia64/lib/swiotlb.c to lib/swiotlb.c Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/linux/cpumask.h')
-rw-r--r--include/linux/cpumask.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index b15826f6e3a..9bdba8169b4 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -392,4 +392,14 @@ extern cpumask_t cpu_present_map;
#define for_each_online_cpu(cpu) for_each_cpu_mask((cpu), cpu_online_map)
#define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map)
+/* Find the highest possible smp_processor_id() */
+#define highest_possible_processor_id() \
+({ \
+ unsigned int cpu, highest = 0; \
+ for_each_cpu_mask(cpu, cpu_possible_map) \
+ highest = cpu; \
+ highest; \
+})
+
+
#endif /* __LINUX_CPUMASK_H */