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authorJeremy Fitzhardinge <jeremy@goop.org>2008-01-30 13:34:11 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:34:11 +0100
commite3ed910db221768f8fd6192b13373e17d61bcdf0 (patch)
tree67a5eed4709a4b1b38e952af5bfc0340f78703af /include/asm-x86/pgtable.h
parentfa28ba21cec24d3fa1279bcae7e5d5ff6224635a (diff)
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>
Diffstat (limited to 'include/asm-x86/pgtable.h')
-rw-r--r--include/asm-x86/pgtable.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 269e7e29ea8..cd2524f0745 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -131,6 +131,8 @@ extern pteval_t __PAGE_KERNEL, __PAGE_KERNEL_EXEC;
extern unsigned long empty_zero_page[PAGE_SIZE/sizeof(unsigned long)];
#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
+extern spinlock_t pgd_lock;
+extern struct list_head pgd_list;
/*
* The following only work if pte_present() is true.