2.4.9-ac4: undefined reference pgtable_cache_init

2.4.9-ac4: undefined reference pgtable_cache_init

[Frank Davis]

Hello,
   During make bzImage, I received the following:

init/main.o: In function 'start_kernel'
init/main.o(.text.init+0x842): undefined reference to 'pgtable_cache_init'
make: *** [vmlinux] Error 1

Regards,
Frank

Re: 2.4.9-ac4: undefined reference pgtable_cache_init

[Russell King]

On Thu, Aug 30, 2001 at 12:05:59PM -0400, Frank Davis wrote:
> Hello,
>    During make bzImage, I received the following:
> 
> init/main.o: In function 'start_kernel'
> init/main.o(.text.init+0x842): undefined reference to 'pgtable_cache_init'

Which architecture are you building for?

--
Russell King (rmk@arm.linux.org.uk)                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html

Re: 2.4.9-ac4: undefined reference pgtable_cache_init

[Paul Larson]

On 30 Aug 2001 17:26:12 +0100, Russell King wrote:
> On Thu, Aug 30, 2001 at 12:05:59PM -0400, Frank Davis wrote:
> > Hello,
> >    During make bzImage, I received the following:
> > 
> > init/main.o: In function 'start_kernel'
> > init/main.o(.text.init+0x842): undefined reference to 'pgtable_cache_init'
> 
> Which architecture are you building for?

I've seen this as well on i386.  It crops up when you are using HIGHMEM.
In include/asm-i386/pgtable.h you declare pgtable_cache_init if HIGHMEM
is on, or define it to the empty while loop if not.  It really needs to
be calling init_pae_pgd_cache instead though.  Try this patch against
2.4.9-ac4.  I don't know if changing the name of init_pae_pgd_cache was
the Right Thing (tm) to do, but it worked for me.  It's not getting
called anywhere else anyways.

-Paul Larson

diff -urN linux-2.4.9-ac4/arch/i386/mm/init.c linux-new/arch/i386/mm/init.c
--- linux-2.4.9-ac4/arch/i386/mm/init.c	Thu Aug 30 14:09:00 2001
+++ linux-new/arch/i386/mm/init.c	Thu Aug 30 15:01:12 2001
@@ -583,7 +583,7 @@
 
 struct kmem_cache_s *pae_pgd_cachep;
 
-void __init init_pae_pgd_cache(void)
+void __init pgtable_cache_init(void)
 {
 	/*
 	 * PAE pgds must be 16-byte aligned:

Re: 2.4.9-ac4: undefined reference pgtable_cache_init

[Russell King]

On Thu, Aug 30, 2001 at 03:17:36PM +0000, Paul Larson wrote:
> I've seen this as well on i386.  It crops up when you are using HIGHMEM.
> In include/asm-i386/pgtable.h you declare pgtable_cache_init if HIGHMEM
> is on, or define it to the empty while loop if not.  It really needs to
> be calling init_pae_pgd_cache instead though.  Try this patch against
> 2.4.9-ac4.  I don't know if changing the name of init_pae_pgd_cache was
> the Right Thing (tm) to do, but it worked for me.  It's not getting
> called anywhere else anyways.

It got changed because we don't want to add multiple architecture
specific functions to init/main.c, but rather have one generic call
which any architecture can use for this type of thing.

--
Russell King (rmk@arm.linux.org.uk)                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html