include/asm-generic/pgalloc.h

1 /* SPDX-License-Identifier: GPL-2.0 */
11  * __pte_alloc_one_kernel - allocate memory for a PTE-level kernel page table
15  * anything beyond simple page allocation.
31  * pte_alloc_one_kernel - allocate memory for a PTE-level kernel page table
43  * pte_free_kernel - free PTE-level kernel page table memory
45  * @pte: pointer to the memory containing the page table
53  * __pte_alloc_one - allocate memory for a PTE-level user page table
57  * Allocate memory for a page table and ptdesc and runs pagetable_pte_ctor().
60  * anything beyond simple page allocation or must have custom GFP flags.
62  * Return: `struct page` referencing the ptdesc or %NULL on error
81  * pte_alloc_one - allocate a page for PTE-level user page table
84  * Allocate memory for a page table and ptdesc and runs pagetable_pte_ctor().
86  * Return: `struct page` referencing the ptdesc or %NULL on error
95  * Should really implement gc for free page table pages. This could be
96  * done with a reference count in struct page.
100  * pte_free - free PTE-level user page table memory
102  * @pte_page: the `struct page` referencing the ptdesc
104 static inline void pte_free(struct mm_struct *mm, struct page *pte_page)  in pte_free()
117  * pmd_alloc_one - allocate memory for a PMD-level page table
120  * Allocate memory for a page table and ptdesc and runs pagetable_pmd_ctor().
150 	BUG_ON((unsigned long)pmd & (PAGE_SIZE-1));  in pmd_free()
179  * pud_alloc_one - allocate memory for a PUD-level page table
182  * Allocate memory for a page table using %GFP_PGTABLE_USER for user context
197 	BUG_ON((unsigned long)pud & (PAGE_SIZE-1));  in __pud_free()