Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3e406b1d authored by Rasmus Villemoes's avatar Rasmus Villemoes Committed by Linus Torvalds
Browse files

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: default avatarRasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Jason Baron <jbaron@akamai.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent eac44a5e

lib/dynamic_debug.c

+4 −4
Original line number Diff line number Diff line
@@ -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);

}