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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2006-07-01 13:36:30 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-01 18:56:03 +0200 |
| commit | a581c2a4697ee264699b364399b73477af408e00 (patch) | |
| tree | 972d8dd6b6a90de49b080340806487c30a07cc1a /arch/x86_64 | |
| parent | [PATCH] hotcpu_notifier-fixes (diff) | |
| download | linux-a581c2a4697ee264699b364399b73477af408e00.tar.xz linux-a581c2a4697ee264699b364399b73477af408e00.zip | |
[PATCH] add __[start|end]_rodata sections to asm-generic/sections.h
Add __start_rodata and __end_rodata to sections.h to avoid extern
declarations. Needed by s390 code (see following patch).
[akpm@osdl.org: update architectures]
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Andi Kleen <ak@muc.de>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/mm/init.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index 72f140f81b70..d14fb2dfbfc4 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c @@ -678,16 +678,15 @@ void free_initmem(void) #ifdef CONFIG_DEBUG_RODATA -extern char __start_rodata, __end_rodata; void mark_rodata_ro(void) { - unsigned long addr = (unsigned long)&__start_rodata; + unsigned long addr = (unsigned long)__start_rodata; - for (; addr < (unsigned long)&__end_rodata; addr += PAGE_SIZE) + for (; addr < (unsigned long)__end_rodata; addr += PAGE_SIZE) change_page_attr_addr(addr, 1, PAGE_KERNEL_RO); printk ("Write protecting the kernel read-only data: %luk\n", - (&__end_rodata - &__start_rodata) >> 10); + (__end_rodata - __start_rodata) >> 10); /* * change_page_attr_addr() requires a global_flush_tlb() call after it. |