1 files changed, 37 insertions, 0 deletions

diff --git a/include/trace/events/gfpflags.h b/include/trace/events/gfpflags.h
new file mode 100644
index 000000000000..e3615c093741
--- /dev/null
+++ b/include/trace/events/gfpflags.h
@@ -0,0 +1,37 @@
+/*
+ * The order of these masks is important. Matching masks will be seen
+ * first and the left over flags will end up showing by themselves.
+ *
+ * For example, if we have GFP_KERNEL before GFP_USER we wil get:
+ *
+ *  GFP_KERNEL|GFP_HARDWALL
+ *
+ * Thus most bits set go first.
+ */
+#define show_gfp_flags(flags)                                           \
+        (flags) ? __print_flags(flags, "|",                             \
+        {(unsigned long)GFP_HIGHUSER_MOVABLE,   "GFP_HIGHUSER_MOVABLE"}, \
+        {(unsigned long)GFP_HIGHUSER,           "GFP_HIGHUSER"},        \
+        {(unsigned long)GFP_USER,               "GFP_USER"},            \
+        {(unsigned long)GFP_TEMPORARY,          "GFP_TEMPORARY"},       \
+        {(unsigned long)GFP_KERNEL,             "GFP_KERNEL"},          \
+        {(unsigned long)GFP_NOFS,               "GFP_NOFS"},            \
+        {(unsigned long)GFP_ATOMIC,             "GFP_ATOMIC"},          \
+        {(unsigned long)GFP_NOIO,               "GFP_NOIO"},            \
+        {(unsigned long)__GFP_HIGH,             "GFP_HIGH"},            \
+        {(unsigned long)__GFP_WAIT,             "GFP_WAIT"},            \
+        {(unsigned long)__GFP_IO,               "GFP_IO"},              \
+        {(unsigned long)__GFP_COLD,             "GFP_COLD"},            \
+        {(unsigned long)__GFP_NOWARN,           "GFP_NOWARN"},          \
+        {(unsigned long)__GFP_REPEAT,           "GFP_REPEAT"},          \
+        {(unsigned long)__GFP_NOFAIL,           "GFP_NOFAIL"},          \
+        {(unsigned long)__GFP_NORETRY,          "GFP_NORETRY"},         \
+        {(unsigned long)__GFP_COMP,             "GFP_COMP"},            \
+        {(unsigned long)__GFP_ZERO,             "GFP_ZERO"},            \
+        {(unsigned long)__GFP_NOMEMALLOC,       "GFP_NOMEMALLOC"},      \
+        {(unsigned long)__GFP_HARDWALL,         "GFP_HARDWALL"},        \
+        {(unsigned long)__GFP_THISNODE,         "GFP_THISNODE"},        \
+        {(unsigned long)__GFP_RECLAIMABLE,      "GFP_RECLAIMABLE"},     \
+        {(unsigned long)__GFP_MOVABLE,          "GFP_MOVABLE"}          \
+        ) : "GFP_NOWAIT"
+