x86: use the same pgd_list for PAE and 64-bit

Use a standard list threaded through page->lru for maintaining the pgd
list on PAE.  This is the same as 64-bit, and seems saner than using a
non-standard list via page->index.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index 7b61cb5989b0..21e70fbf1dae 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -27,8 +27,6 @@ struct vm_area_struct;
 
 extern pgd_t swapper_pg_dir[1024];
 extern struct kmem_cache *pmd_cache;
-extern spinlock_t pgd_lock;
-extern struct page *pgd_list;
 void check_pgt_cache(void);
 
 static inline void pgtable_cache_init(void) {}