linux-kernel - Re: [PATCH] kmemtrace: fix build breakage in befs

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Date:	Tue, 24 Mar 2009 11:38:33 +0200
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	eduard.munteanu@...ux360.ro, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kmemtrace: fix build breakage in befs

On Tue, 2009-03-24 at 10:31 +0100, Ingo Molnar wrote:
> * Pekka Enberg <penberg@...helsinki.fi> wrote:
> 
> > On Tue, 2009-03-24 at 10:17 +0100, Ingo Molnar wrote:
> > > > OK, I think all of them are now fixed. I haven't yet been able to 
> > > > complete a build so help is still appreciated. ;-)
> > > 
> > > unless there's a mail delay, we still have:
> > > 
> > > lib/decompress_unlzma.c:122: error: implicit declaration of function ‘kfree’
> > > lib/decompress_unlzma.c:551: error: implicit declaration of function ‘kmalloc’
> > 
> > Sorry, I missed that. I was testing the .config you sent in the 
> > initial mail, not allyesconfig. I sent you a patch to fix that as 
> > well now.
> 
> no problem, i missed it too - computer reminded us that it's still 
> there ;-)
> 
> there's a new headers-export-check failure:
> 
> /home/mingo/tip/usr/include/linux/bsg.h:11: found __[us]{8,16,32,64} type without #include <linux/types.h>
> /home/mingo/tip/usr/include/linux/fs.h:11: included file 'linux/gfp.h' is not exported
> make[3]: *** [/home/mingo/tip/usr/include/linux/.check] Error 1
> make[2]: *** [linux] Error 2
> 
> (CONFIG_HEADERS_CHECK)

Hmm, I wonder what is the best way to fix this, though. I think we
better use macros there (like rest of linux/fs.h) does because of
dependency issues. What do you think?

			Pekka

diff --git a/include/linux/fs.h b/include/linux/fs.h
index add95da..4dda05d 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -8,7 +8,6 @@
 
 #include <linux/limits.h>
 #include <linux/ioctl.h>
-#include <linux/gfp.h>
 
 /*
  * It's silly to have NR_OPEN bigger than NR_FILE, but you can change
@@ -2233,15 +2232,8 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf,
 
 
 #ifdef CONFIG_SECURITY
-static inline char *alloc_secdata(void)
-{
-       return (char *)get_zeroed_page(GFP_KERNEL);
-}
-
-static inline void free_secdata(void *secdata)
-{
-       free_page((unsigned long)secdata);
-}
+#define alloc_secdata() (char *)get_zeroed_page(GFP_KERNEL)
+#define free_secdata()  free_page((unsigned long) secdata)
 #else
 static inline char *alloc_secdata(void)
 {


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