1 files changed, 18 insertions, 7 deletions

diff --git a/modutils/modutils-24.c b/modutils/modutils-24.c
index e5ff54d29..a878e740c 100644
--- a/modutils/modutils-24.c
+++ b/modutils/modutils-24.c
@@ -3783,12 +3783,20 @@ int FAST_FUNC bb_init_module_24(const char *m_filename, const char *options)
         int m_has_modinfo;
 #endif
         char *image;
-        size_t image_size = 64 * 1024 * 1024;
-
-        /* Load module into memory and unzip if compressed */
-        image = xmalloc_open_zipped_read_close(m_filename, &image_size);
-        if (!image)
-                return EXIT_FAILURE;
+        size_t image_size;
+        bool mmaped;
+
+        image_size = INT_MAX - 4095;
+        mmaped = 0;
+        image = try_to_mmap_module(m_filename, &image_size);
+        if (image) {
+                mmaped = 1;
+        } else {
+                /* Load module into memory and unzip if compressed */
+                image = xmalloc_open_zipped_read_close(m_filename, &image_size);
+                if (!image)
+                        return EXIT_FAILURE;
+        }
 
         m_name = xstrdup(bb_basename(m_filename));
         /* "module.o[.gz]" -> "module" */
@@ -3901,7 +3909,10 @@ int FAST_FUNC bb_init_module_24(const char *m_filename, const char *options)
         exit_status = EXIT_SUCCESS;
 
  out:
-        free(image);
+        if (mmaped)
+                munmap(image, image_size);
+        else
+                free(image);
         free(m_name);
 
         return exit_status;