Contributors: 11
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Paul Mundt |
114 |
30.24% |
5 |
26.32% |
| Matt Fleming |
73 |
19.36% |
2 |
10.53% |
| Martin Schwidefsky |
43 |
11.41% |
1 |
5.26% |
| Linus Torvalds (pre-git) |
37 |
9.81% |
2 |
10.53% |
| Stuart Menefy |
31 |
8.22% |
1 |
5.26% |
| Linus Torvalds |
30 |
7.96% |
2 |
10.53% |
| Peter Zijlstra |
19 |
5.04% |
1 |
5.26% |
| Kirill A. Shutemov |
17 |
4.51% |
1 |
5.26% |
| Benjamin Herrenschmidt |
11 |
2.92% |
2 |
10.53% |
| Andrew Morton |
1 |
0.27% |
1 |
5.26% |
| Greg Kroah-Hartman |
1 |
0.27% |
1 |
5.26% |
| Total |
377 |
|
19 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_PGALLOC_H
#define __ASM_SH_PGALLOC_H
#include <linux/quicklist.h>
#include <asm/page.h>
#define QUICK_PT 0 /* Other page table pages that are zero on free */
extern pgd_t *pgd_alloc(struct mm_struct *);
extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
#if PAGETABLE_LEVELS > 2
extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);
#endif
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
pte_t *pte)
{
set_pmd(pmd, __pmd((unsigned long)pte));
}
static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
pgtable_t pte)
{
set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
}
#define pmd_pgtable(pmd) pmd_page(pmd)
/*
* Allocate and free page tables.
*/
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
{
return quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL);
}
static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
{
struct page *page;
void *pg;
pg = quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL);
if (!pg)
return NULL;
page = virt_to_page(pg);
if (!pgtable_page_ctor(page)) {
quicklist_free(QUICK_PT, NULL, pg);
return NULL;
}
return page;
}
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
quicklist_free(QUICK_PT, NULL, pte);
}
static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
{
pgtable_page_dtor(pte);
quicklist_free_page(QUICK_PT, NULL, pte);
}
#define __pte_free_tlb(tlb,pte,addr) \
do { \
pgtable_page_dtor(pte); \
tlb_remove_page((tlb), (pte)); \
} while (0)
#if CONFIG_PGTABLE_LEVELS > 2
#define __pmd_free_tlb(tlb, pmdp, addr) \
do { \
struct page *page = virt_to_page(pmdp); \
pgtable_pmd_page_dtor(page); \
tlb_remove_page((tlb), page); \
} while (0);
#endif
static inline void check_pgt_cache(void)
{
quicklist_trim(QUICK_PT, NULL, 25, 16);
}
#endif /* __ASM_SH_PGALLOC_H */