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| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-03-13 10:02:17 +0100 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-05-01 13:14:59 +0200 |
| commit | ea01e798e2d27fd04142e0473ca36570fa9d9218 (patch) | |
| tree | 717ad87d4c38dd6bed15ba4dfdfaea8f33411367 | |
| parent | module: make module_sect_attrs private to kernel/module.c (diff) | |
| download | linux-ea01e798e2d27fd04142e0473ca36570fa9d9218.tar.xz linux-ea01e798e2d27fd04142e0473ca36570fa9d9218.zip | |
module: reduce module image and resident size
Resulting reduction (x86-64, gcc 4.1.2) with my (special purpose, i.e.
much reduced) configurations:
- 16k kernel resident size
- 180k module resident size
- 10k module image size
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| -rw-r--r-- | include/linux/module.h | 2 | ||||
| -rw-r--r-- | kernel/module.c | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/module.h b/include/linux/module.h index a29c2ebb7c38..3e03b1acbc94 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -190,7 +190,7 @@ void *__symbol_get_gpl(const char *symbol); extern typeof(sym) sym; \ __CRC_SYMBOL(sym, sec) \ static const char __kstrtab_##sym[] \ - __attribute__((section("__ksymtab_strings"))) \ + __attribute__((section("__ksymtab_strings"), aligned(1))) \ = MODULE_SYMBOL_PREFIX #sym; \ static const struct kernel_symbol __ksymtab_##sym \ __used \ diff --git a/kernel/module.c b/kernel/module.c index b0d7c2a41bd9..031bf26af8ea 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1828,8 +1828,9 @@ static struct module *load_module(void __user *umod, unwindex = find_sec(hdr, sechdrs, secstrings, ARCH_UNWIND_SECTION_NAME); #endif - /* Don't keep modinfo section */ + /* Don't keep modinfo and version sections. */ sechdrs[infoindex].sh_flags &= ~(unsigned long)SHF_ALLOC; + sechdrs[versindex].sh_flags &= ~(unsigned long)SHF_ALLOC; #ifdef CONFIG_KALLSYMS /* Keep symbol and string tables for decoding later. */ sechdrs[symindex].sh_flags |= SHF_ALLOC; |