On Fri, Dec 27, 2013 at 05:40:18PM -0500, Sasha Levin wrote:
> I messed up and forgot to commit this fix before sending out the original
> patch.
>
> It fixes build issues in various files using VM_BUG_ON_PAGE.
With the patch applied I see this:
CC kernel/bounds.s
In file included from
/home/space/kas/git/public/linux-next/include/linux/page-flags.h:10:0,
from /home/space/kas/git/public/linux-next/kernel/bounds.c:9:
/home/space/kas/git/public/linux-next/include/linux/mmdebug.h:5:30: warning:
‘struct page’ declared inside parameter list [enabled by default]
extern void dump_page(struct page *page);
^
/home/space/kas/git/public/linux-next/include/linux/mmdebug.h:5:30: warning:
its scope is only this definition or declaration, which is probably not what
you want [enabled by default]
We need to declare struct page here as well.
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index 8bb64900da25..e8cec8bdda05 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -2,6 +2,7 @@
#define LINUX_MM_DEBUG_H 1
#ifdef CONFIG_DEBUG_VM
+struct page;
extern void dump_page(struct page *page);
#define VM_BUG_ON(cond) BUG_ON(cond)
#define VM_BUG_ON_PAGE(cond, page) \
--
Kirill A. Shutemov
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