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Diffstat (limited to 'modutils/modutils-24.c')
-rw-r--r--modutils/modutils-24.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/modutils/modutils-24.c b/modutils/modutils-24.c
index e5ff54d..a878e74 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;