summaryrefslogtreecommitdiffstats
path: root/include/linux/percpu-defs.h
diff options
context:
space:
mode:
authorPekka Enberg <penberg@kernel.org>2010-10-24 19:57:05 +0300
committerPekka Enberg <penberg@kernel.org>2010-10-24 19:57:05 +0300
commit6d4121f6c20a0e86231d52f535f1c82423b3326f (patch)
tree5c235cac699ca86b504850aa663ddadde0455a61 /include/linux/percpu-defs.h
parent92a5bbc11ff2442a54b2f1d313088c245828ef4e (diff)
parent35da7a307c535f9c2929cae277f3df425c9f9b1e (diff)
Merge branch 'master' into for-linus
Conflicts: include/linux/percpu.h mm/percpu.c
Diffstat (limited to 'include/linux/percpu-defs.h')
-rw-r--r--include/linux/percpu-defs.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index ce2dc655cd1..018db9a62ff 100644
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -139,6 +139,27 @@
__aligned(PAGE_SIZE)
/*
+ * Declaration/definition used for per-CPU variables that must be read mostly.
+ */
+#define DECLARE_PER_CPU_READ_MOSTLY(type, name) \
+ DECLARE_PER_CPU_SECTION(type, name, "..readmostly")
+
+#define DEFINE_PER_CPU_READ_MOSTLY(type, name) \
+ DEFINE_PER_CPU_SECTION(type, name, "..readmostly")
+
+/*
+ * Declaration/definition used for large per-CPU variables that must be
+ * aligned to something larger than the pagesize.
+ */
+#define DECLARE_PER_CPU_MULTIPAGE_ALIGNED(type, name, size) \
+ DECLARE_PER_CPU_SECTION(type, name, "..page_aligned") \
+ __aligned(size)
+
+#define DEFINE_PER_CPU_MULTIPAGE_ALIGNED(type, name, size) \
+ DEFINE_PER_CPU_SECTION(type, name, "..page_aligned") \
+ __aligned(size)
+
+/*
* Intermodule exports for per-CPU variables. sparse forgets about
* address space across EXPORT_SYMBOL(), change EXPORT_SYMBOL() to
* noop if __CHECKER__.