1 files changed, 11 insertions, 0 deletions
diff --git a/mm/execmem.c b/mm/execmem.c
index 0c4b36bc6d10..0f6691e9ffe6 100644
--- a/mm/execmem.c
+++ b/mm/execmem.c
@@ -10,6 +10,7 @@
 #include <linux/vmalloc.h>
 #include <linux/execmem.h>
 #include <linux/moduleloader.h>
+#include <linux/text-patching.h>
 
 static struct execmem_info *execmem_info __ro_after_init;
 static struct execmem_info default_execmem_info __ro_after_init;
@@ -69,6 +70,16 @@ void execmem_free(void *ptr)
 	vfree(ptr);
 }
 
+void *execmem_update_copy(void *dst, const void *src, size_t size)
+{
+	return text_poke_copy(dst, src, size);
+}
+
+bool execmem_is_rox(enum execmem_type type)
+{
+	return !!(execmem_info->ranges[type].flags & EXECMEM_ROX_CACHE);
+}
+
 static bool execmem_validate(struct execmem_info *info)
 {
 	struct execmem_range *r = &info->ranges[EXECMEM_DEFAULT];