diff options
| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2015-11-06 16:30:15 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-06 17:50:42 -0800 |
| commit | 3e406b1d7c1e5c14c84a71eb4bee5f46ba690401 (patch) | |
| tree | a85bd1bbd0f91b3936643cae076a63bd448e4891 | |
| parent | eac44a5e07be41a153e52c35c4d7dc0fec23adb3 (diff) | |
lib/dynamic_debug.c: use kstrdup_const
Using kstrdup_const, thus reusing .rodata when possible, saves around 2 kB
of runtime memory on my laptop/.config combination.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Jason Baron <jbaron@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | lib/dynamic_debug.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index e491e02eff54..e3952e9c8ec0 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -42,7 +42,7 @@ extern struct _ddebug __stop___verbose[]; struct ddebug_table { struct list_head link; - char *mod_name; + const char *mod_name; unsigned int num_ddebugs; struct _ddebug *ddebugs; }; @@ -841,12 +841,12 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n, const char *name) { struct ddebug_table *dt; - char *new_name; + const char *new_name; dt = kzalloc(sizeof(*dt), GFP_KERNEL); if (dt == NULL) return -ENOMEM; - new_name = kstrdup(name, GFP_KERNEL); + new_name = kstrdup_const(name, GFP_KERNEL); if (new_name == NULL) { kfree(dt); return -ENOMEM; @@ -907,7 +907,7 @@ int ddebug_dyndbg_module_param_cb(char *param, char *val, const char *module) static void ddebug_table_free(struct ddebug_table *dt) { list_del_init(&dt->link); - kfree(dt->mod_name); + kfree_const(dt->mod_name); kfree(dt); } |