Re: Another compile problem with 2.6.15.5 on AMD64

From: Jesper Juhl
Date: Thu Mar 02 2006 - 13:14:11 EST


On Thursday 02 March 2006 19:07, Steffen Weber wrote:
> Jesper Juhl wrote:
> > On Thursday 02 March 2006 18:49, Steffen Weber wrote:
> >> Jesper Juhl wrote:
> >>> On 3/2/06, Steffen Weber <email@xxxxxxxxxxxxxxxx> wrote:
> >>>> Jesper Juhl wrote:
> >>>>> On Thursday 02 March 2006 17:18, Steffen Weber wrote:
> >>>>>> I´m getting a compile error with 2.6.15.5 on x86_64 using GCC 3.4.4
> >>>>>> (does not seem to be related to the NFS one):
> >>>>>>
> >>>>>> CC mm/mempolicy.o
> >>>>>> mm/mempolicy.c: In function `get_nodes':
> >>>>>> mm/mempolicy.c:527: error: `BITS_PER_BYTE' undeclared (first use in
> >>>>>> this function)
> >>>>>> mm/mempolicy.c:527: error: (Each undeclared identifier is reported only
> >>>>>> once
> >>>>>> mm/mempolicy.c:527: error: for each function it appears in.)
> >>>>>>
[snip]
> >
> > Try this patch instead :
> This patch solves the problem! :-) I have not yet rebooted the machine
> (it´s a busy webserver), but in case I do not reply again within one day
> you can assume that it works fine. Thank you very much!
>

Thank you for the feedback.

Andi, Christoph : would this make sense as a fix for -stable ?
How about mainline ?


Fix build error in mm/mempolicy.c due to missing `BITS_PER_BYTE'.

Signed-off-by: Jesper Juhl <jesper.juhl@xxxxxxxxx>
---

arch/i386/mach-voyager/voyager_cat.c | 1 -
include/linux/types.h | 2 ++
mm/mempolicy.c | 2 +-
3 files changed, 3 insertions(+), 2 deletions(-)

--- linux-2.6.15.5/mm/mempolicy.c~ 2006-03-02 18:05:18.000000000 +0100
+++ linux-2.6.15.5/mm/mempolicy.c 2006-03-02 18:05:18.000000000 +0100
@@ -82,7 +82,7 @@
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/compat.h>
-#include <linux/mempolicy.h>
+#include <linux/types.h>
#include <asm/tlbflush.h>
#include <asm/uaccess.h>

--- linux-2.6.15.5/arch/i386/mach-voyager/voyager_cat.c~ 2006-03-02 18:55:47.000000000 +0100
+++ linux-2.6.15.5/arch/i386/mach-voyager/voyager_cat.c 2006-03-02 18:55:47.000000000 +0100
@@ -114,7 +114,6 @@ static struct resource qic_res = {
* It writes num_bits of the data buffer in msg starting at start_bit.
* Note: This function assumes that any unused bit in the data stream
* is set to zero so that the ors will work correctly */
-#define BITS_PER_BYTE 8
static void
cat_pack(__u8 *msg, const __u16 start_bit, __u8 *data, const __u16 num_bits)
{
--- linux-2.6.15.5/include/linux/types.h~ 2006-03-02 18:54:57.000000000 +0100
+++ linux-2.6.15.5/include/linux/types.h 2006-03-02 18:54:57.000000000 +0100
@@ -8,6 +8,8 @@
(((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
#define DECLARE_BITMAP(name,bits) \
unsigned long name[BITS_TO_LONGS(bits)]
+
+#define BITS_PER_BYTE 8
#endif

#include <linux/posix_types.h>




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