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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2022-12-12 10:47:03 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2022-12-12 10:47:03 -0800
commite291c116f60f3c1ca98090f0f8e7c77e658562fb (patch)
tree2fbe810f2a6f8b29f1cdaefd87b24debbfa0ec07 /include/linux/stackdepot.h
parent8c9a59939deb4bfafdc451100c03d1e848b4169b (diff)
parentc3991107a28a5ad0bd90660ca3bbf8c2c220ea98 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.2 merge window.
Diffstat (limited to 'include/linux/stackdepot.h')
-rw-r--r--include/linux/stackdepot.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/stackdepot.h b/include/linux/stackdepot.h
index bc2797955de9..9ca7798d7a31 100644
--- a/include/linux/stackdepot.h
+++ b/include/linux/stackdepot.h
@@ -14,9 +14,15 @@
#include <linux/gfp.h>
typedef u32 depot_stack_handle_t;
+/*
+ * Number of bits in the handle that stack depot doesn't use. Users may store
+ * information in them.
+ */
+#define STACK_DEPOT_EXTRA_BITS 5
depot_stack_handle_t __stack_depot_save(unsigned long *entries,
unsigned int nr_entries,
+ unsigned int extra_bits,
gfp_t gfp_flags, bool can_alloc);
/*
@@ -59,6 +65,8 @@ depot_stack_handle_t stack_depot_save(unsigned long *entries,
unsigned int stack_depot_fetch(depot_stack_handle_t handle,
unsigned long **entries);
+unsigned int stack_depot_get_extra_bits(depot_stack_handle_t handle);
+
int stack_depot_snprint(depot_stack_handle_t handle, char *buf, size_t size,
int spaces);