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authorMaxime Ripard <maxime@cerno.tech>2022-10-18 15:00:03 +0200
committerMaxime Ripard <maxime@cerno.tech>2022-10-18 15:00:03 +0200
commita140a6a2d5ec0329ad05cd3532a91ad0ce58dceb (patch)
treeb2d44a1da423c53bd6c3ab3facd45ff5f2087ffd /include/linux/stackdepot.h
parent28743e25fa1c867675bd8ff976eb92d4251f13a1 (diff)
parent9abf2313adc1ca1b6180c508c25f22f9395cc780 (diff)
downloadlwn-a140a6a2d5ec0329ad05cd3532a91ad0ce58dceb.tar.gz
lwn-a140a6a2d5ec0329ad05cd3532a91ad0ce58dceb.zip
Merge drm/drm-next into drm-misc-next
Let's kick-off this release cycle. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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);