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-rw-r--r--arch/alpha/mm/extable.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/alpha/mm/extable.c b/arch/alpha/mm/extable.c
index 62dc379d301a..813c9b63c0e1 100644
--- a/arch/alpha/mm/extable.c
+++ b/arch/alpha/mm/extable.c
@@ -48,6 +48,27 @@ void sort_extable(struct exception_table_entry *start,
cmp_ex, swap_ex);
}
+#ifdef CONFIG_MODULES
+/*
+ * Any entry referring to the module init will be at the beginning or
+ * the end.
+ */
+void trim_init_extable(struct module *m)
+{
+ /*trim the beginning*/
+ while (m->num_exentries &&
+ within_module_init(ex_to_addr(&m->extable[0]), m)) {
+ m->extable++;
+ m->num_exentries--;
+ }
+ /*trim the end*/
+ while (m->num_exentries &&
+ within_module_init(ex_to_addr(&m->extable[m->num_exentries-1]),
+ m))
+ m->num_exentries--;
+}
+#endif /* CONFIG_MODULES */
+
const struct exception_table_entry *
search_extable(const struct exception_table_entry *first,
const struct exception_table_entry *last,