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

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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>
This commit is contained in:
Jeremy Fitzhardinge
2008-01-30 13:34:11 +01:00
committed by Ingo Molnar
parent fa28ba21ce
commit e3ed910db2
6 changed files with 11 additions and 27 deletions
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2
arch/x86/mm/pageattr.c
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@@ -175,7 +175,7 @@ static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte)
if (!SHARED_KERNEL_PMD) {
struct page *page;
for (page = pgd_list; page; page = (struct page *)page->index) {
list_for_each_entry(page, &pgd_list, lru) {
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;