| From | Łukasz Bartosik <> | Subject | [PATCH v4 07/39] dyndbg: repack _ddebug structure | Date | Sun, 11 Feb 2024 00:49:37 +0100 |
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From: Jim Cromie <jim.cromie@gmail.com>
Move the JUMP_LABEL to the top of the struct, since they're both align(8) and this closes a pahole (unfortunately trading for padding, but still).
Signed-off-by: Jim Cromie <jim.cromie@gmail.com> --- include/linux/dynamic_debug.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index 497130816e9c..b9237e4ecd1b 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -14,6 +14,12 @@ * the special section is treated as an array of these. */ struct _ddebug { +#ifdef CONFIG_JUMP_LABEL + union { + struct static_key_true dd_key_true; + struct static_key_false dd_key_false; + } key; +#endif /* * These fields are used to drive the user interface * for selecting and displaying debug callsites. @@ -53,12 +59,6 @@ struct _ddebug { #define _DPRINTK_FLAGS_DEFAULT 0 #endif unsigned int flags:8; -#ifdef CONFIG_JUMP_LABEL - union { - struct static_key_true dd_key_true; - struct static_key_false dd_key_false; - } key; -#endif } __attribute__((aligned(8))); enum class_map_type { -- 2.43.0.687.g38aa6559b0-goog
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