# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID 304b3d9011c356d0d95b587f1069f9d4a68d6f4f
# Parent 666bc6079577c09853354e3d7a7a5a6e10020004
[IA64] xen: remove mm_struct::pt_list
removed pt_list member of struct mm_struct.
It is now unecessary.
Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
---
xen/arch/ia64/xen/domain.c | 23 -----------------------
xen/include/asm-ia64/domain.h | 1 -
2 files changed, 24 deletions(-)
diff -r 666bc6079577 -r 304b3d9011c3 xen/arch/ia64/xen/domain.c
--- a/xen/arch/ia64/xen/domain.c Fri May 12 08:58:56 2006 -0600
+++ b/xen/arch/ia64/xen/domain.c Fri May 12 09:03:04 2006 -0600
@@ -83,22 +83,7 @@ static void try_to_clear_PGC_allocate(st
/* this belongs in include/asm, but there doesn't seem to be a suitable place
*/
void arch_domain_destroy(struct domain *d)
{
- struct page_info *page;
- struct list_head *ent, *prev;
-
BUG_ON(d->arch.mm->pgd != NULL);
- if (d->arch.mm->pgd != NULL)
- {
- list_for_each ( ent, &d->arch.mm->pt_list )
- {
- page = list_entry(ent, struct page_info, list);
- prev = ent->prev;
- list_del(ent);
- free_xenheap_page(page_to_virt(page));
- ent = prev;
- }
- pgd_free(d->arch.mm->pgd);
- }
if (d->arch.mm != NULL)
xfree(d->arch.mm);
if (d->shared_info != NULL)
@@ -265,7 +250,6 @@ int arch_domain_create(struct domain *d)
if ((d->arch.mm = xmalloc(struct mm_struct)) == NULL)
goto fail_nomem;
memset(d->arch.mm, 0, sizeof(*d->arch.mm));
- INIT_LIST_HEAD(&d->arch.mm->pt_list);
d->arch.physmap_built = 0;
if ((d->arch.mm->pgd = pgd_alloc(d->arch.mm)) == NULL)
@@ -648,7 +632,6 @@ static pte_t*
static pte_t*
lookup_alloc_domain_pte(struct domain* d, unsigned long mpaddr)
{
- struct page_info *pt;
struct mm_struct *mm = d->arch.mm;
pgd_t *pgd;
pud_t *pud;
@@ -658,22 +641,16 @@ lookup_alloc_domain_pte(struct domain* d
pgd = pgd_offset(mm, mpaddr);
if (pgd_none(*pgd)) {
pgd_populate(mm, pgd, pud_alloc_one(mm,mpaddr));
- pt = maddr_to_page(pgd_val(*pgd));
- list_add_tail(&pt->list, &d->arch.mm->pt_list);
}
pud = pud_offset(pgd, mpaddr);
if (pud_none(*pud)) {
pud_populate(mm, pud, pmd_alloc_one(mm,mpaddr));
- pt = maddr_to_page(pud_val(*pud));
- list_add_tail(&pt->list, &d->arch.mm->pt_list);
}
pmd = pmd_offset(pud, mpaddr);
if (pmd_none(*pmd)) {
pmd_populate_kernel(mm, pmd, pte_alloc_one_kernel(mm, mpaddr));
- pt = maddr_to_page(pmd_val(*pmd));
- list_add_tail(&pt->list, &d->arch.mm->pt_list);
}
return pte_offset_map(pmd, mpaddr);
diff -r 666bc6079577 -r 304b3d9011c3 xen/include/asm-ia64/domain.h
--- a/xen/include/asm-ia64/domain.h Fri May 12 08:58:56 2006 -0600
+++ b/xen/include/asm-ia64/domain.h Fri May 12 09:03:04 2006 -0600
@@ -112,7 +112,6 @@ struct mm_struct {
struct mm_struct {
pgd_t * pgd;
// atomic_t mm_users; /* How many users with user
space? */
- struct list_head pt_list; /* List of pagetable */
};
extern struct mm_struct init_mm;
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