Some symbols are missing in 2.1.35, so you can't compile ipv6 as module.
Here the fixes:
diff -u --recursive --new-file linux-2.1.35/arch/i386/kernel/i386_ksyms.c
linux-2.1.35++/arch/i386/kernel/i386_ksyms.c
--- linux-2.1.35/arch/i386/kernel/i386_ksyms.c Tue Apr 8 19:19:42 1997
+++ linux-2.1.35++/arch/i386/kernel/i386_ksyms.c Sun Apr 20 19:01:36 1997
@@ -14,6 +14,12 @@
#include <asm/io.h>
#include <asm/hardirq.h>
+#ifdef __SMP__
+extern atomic_t __intel_bh_counter;
+#else
+extern int __intel_bh_counter;
+#endif
+
extern void dump_thread(struct pt_regs *, struct user *);
extern int dump_fpu(elf_fpregset_t *);
extern void __lock_kernel(void);
@@ -28,6 +34,7 @@
EXPORT_SYMBOL(__ioremap);
EXPORT_SYMBOL(iounmap);
EXPORT_SYMBOL(local_irq_count);
+EXPORT_SYMBOL(__intel_bh_counter);
EXPORT_SYMBOL_NOVERS(__down_failed);
EXPORT_SYMBOL_NOVERS(__down_failed_interruptible);
EXPORT_SYMBOL_NOVERS(__up_wakeup);
diff -u --recursive --new-file linux-2.1.35/kernel/ksyms.c
linux-2.1.35++/kernel/ksyms.c
--- linux-2.1.35/kernel/ksyms.c Mon Apr 14 18:31:10 1997
+++ linux-2.1.35++/kernel/ksyms.c Sun Apr 20 19:29:56 1997
@@ -19,6 +19,7 @@
#include <linux/sched.h>
#include <linux/kernel_stat.h>
#include <linux/mm.h>
+#include <linux/slab.h>
#include <linux/malloc.h>
#include <linux/vmalloc.h>
#include <linux/ptrace.h>
@@ -130,6 +131,19 @@
EXPORT_SYMBOL(num_physpages);
EXPORT_SYMBOL(high_memory);
EXPORT_SYMBOL(update_vm_cache);
+
+/* Slab Allocator */
+EXPORT_SYMBOL(kmem_cache_init);
+EXPORT_SYMBOL(kmem_cache_sizes_init);
+EXPORT_SYMBOL(kmem_cache_create);
+EXPORT_SYMBOL(kmem_cache_destroy);
+EXPORT_SYMBOL(kmem_cache_shrink);
+EXPORT_SYMBOL(kmem_cache_alloc);
+EXPORT_SYMBOL(kmem_cache_free);
+EXPORT_SYMBOL(kmem_alloc);
+EXPORT_SYMBOL(kmem_free);
+EXPORT_SYMBOL(kmem_cache_reap);
+EXPORT_SYMBOL(get_slabinfo);
/* filesystem internal functions */
EXPORT_SYMBOL(getname);
Regards,
--
``--- J"org Lehrke Tel. +49 89 926 99185
||_ European Computer Research Centre email: jlehrke@ECRC.de
ECRC || |@ ,, Arabellastr 17, 81925 Munich, Germany
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