From: Nadav Amit <[email protected]> Add a pte_to_page(), which is similar to pmd_to_page, which will be used later.
Inline pmd_to_page() as well. Signed-off-by: Nadav Amit <[email protected]> Cc: Andrea Arcangeli <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Will Deacon <[email protected]> Cc: Nick Piggin <[email protected]> Cc: Yu Zhao <[email protected]> --- include/linux/mm.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index ecdf8a8cd6ae..d78a79fbb012 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2161,6 +2161,13 @@ static inline spinlock_t *ptlock_ptr(struct page *page) } #endif /* ALLOC_SPLIT_PTLOCKS */ +static inline struct page *pte_to_page(pte_t *pte) +{ + unsigned long mask = ~(PTRS_PER_PTE * sizeof(pte_t) - 1); + + return virt_to_page((void *)((unsigned long) pte & mask)); +} + static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd) { return ptlock_ptr(pmd_page(*pmd)); @@ -2246,7 +2253,7 @@ static inline void pgtable_pte_page_dtor(struct page *page) #if USE_SPLIT_PMD_PTLOCKS -static struct page *pmd_to_page(pmd_t *pmd) +static inline struct page *pmd_to_page(pmd_t *pmd) { unsigned long mask = ~(PTRS_PER_PMD * sizeof(pmd_t) - 1); return virt_to_page((void *)((unsigned long) pmd & mask)); -- 2.25.1
