Hi Linus et al.,

2.6.23 does not build with my usual .config on x86_64 and gcc-4.2.1:

In file included from fs/drop_caches.c:8:
include/linux/mm.h:1210: warning: 'struct super_block' declared inside parameter list
nclude/linux/mm.h:1210: warning: its scope is only this definition or declaration, which is probably not what you want
fs/drop_caches.c:17: error: conflicting types for 'drop_pagecache_sb'
include/linux/mm.h:1210: error: previous declaration of 'drop_pagecache_sb' was here
fs/drop_caches.c:28: error: conflicting types for 'drop_pagecache_sb'
include/linux/mm.h:1210: error: previous declaration of 'drop_pagecache_sb' was here

A little forward declaration fixes this:

--- linux-2.6.23/include/linux/mm.h.vanilla	2007-10-10 09:28:33.000000000 +0200
+++ linux-2.6.23/include/linux/mm.h	2007-10-10 09:30:23.000000000 +0200
@@ -1207,6 +1207,7 @@
 					void __user *, size_t *, loff_t *);
 unsigned long shrink_slab(unsigned long scanned, gfp_t gfp_mask,
 			unsigned long lru_pages);
+struct super_block;
 extern void drop_pagecache_sb(struct super_block *);
 void drop_pagecache(void);
 void drop_slab(void);

You probably end up fixing it some other way, but as I do not know this
file inside out I just wanted to drop a note.

Yours,
  René Rebe

On Tuesday 09 October 2007 22:54:30 Linus Torvalds wrote:

quoted text
> Finally.
> 
> Yeah, it got delayed, not because of any huge issues, but because of 
> various bugfixes trickling in and causing me to reset my "release clock" 
> all the time. But it's out there now, and hopefully better for the wait.
> 
> Not a whole lot of changes since -rc9, although there's a few updates to 
> mips, sparc64 and blackfin in there.  Ignoring those arch updates, there's 
> basically a number of mostly one-liners (mostly in drivers, but there's 
> some networking fixes and soem VFS/VM fixes there too).
> 
> Shortlog and diffstat appended (both relative to -rc9, of course - the 
> full log from 2.6.22 is on kernel.org as usual).
> 
> I want this to be what people look at for a few days, but expect the x86 
> merge to go ahead after that. So far, all indications are still that it's 
> going to be all smooth sailing, but hey, those indicators seem to always 
> say that, and only after the fact do people notice any problems ;)
> 
> 		Linus

-- 
  René Rebe - ExactCODE GmbH - Europe, Germany, Berlin
  http://exactcode.de | http://t2-project.org | http://rene.rebe.name
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