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-rw-r--r--arch/x86/mm/pgtable.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index ffc8c13c50e4..938dbcd46b97 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -114,13 +114,12 @@ static inline void pgd_list_del(pgd_t *pgd)
static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm)
{
- BUILD_BUG_ON(sizeof(virt_to_page(pgd)->index) < sizeof(mm));
- virt_to_page(pgd)->index = (pgoff_t)mm;
+ virt_to_page(pgd)->pt_mm = mm;
}
struct mm_struct *pgd_page_get_mm(struct page *page)
{
- return (struct mm_struct *)page->index;
+ return page->pt_mm;
}
static void pgd_ctor(struct mm_struct *mm, pgd_t *pgd)