Contributors: 13
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Aneesh Kumar K.V |
96 |
26.30% |
4 |
16.00% |
| Peter Zijlstra |
59 |
16.16% |
1 |
4.00% |
| David Gibson |
56 |
15.34% |
2 |
8.00% |
| Christophe Leroy |
49 |
13.42% |
5 |
20.00% |
| Anton Blanchard |
41 |
11.23% |
3 |
12.00% |
| Benjamin Herrenschmidt |
28 |
7.67% |
2 |
8.00% |
| Andrew Morton |
15 |
4.11% |
1 |
4.00% |
| Paul Mackerras |
9 |
2.47% |
2 |
8.00% |
| Balbir Singh |
5 |
1.37% |
1 |
4.00% |
| Will Deacon |
3 |
0.82% |
1 |
4.00% |
| Hong H. Pham |
2 |
0.55% |
1 |
4.00% |
| Greg Kroah-Hartman |
1 |
0.27% |
1 |
4.00% |
| Kumar Gala |
1 |
0.27% |
1 |
4.00% |
| Total |
365 |
|
25 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_NOHASH_PGALLOC_H
#define _ASM_POWERPC_NOHASH_PGALLOC_H
#include <linux/mm.h>
#include <linux/slab.h>
extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
#ifdef CONFIG_PPC64
extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address);
#else
/* 44x etc which is BOOKE not BOOK3E */
static inline void tlb_flush_pgtable(struct mmu_gather *tlb,
unsigned long address)
{
}
#endif /* !CONFIG_PPC_BOOK3E_64 */
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
pgd_t *pgd = kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE),
pgtable_gfp_flags(mm, GFP_KERNEL));
#if defined(CONFIG_PPC_8xx) || defined(CONFIG_PPC_BOOK3S_603)
memcpy(pgd + USER_PTRS_PER_PGD, swapper_pg_dir + USER_PTRS_PER_PGD,
(MAX_PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
#endif
return pgd;
}
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
kmem_cache_free(PGT_CACHE(PGD_INDEX_SIZE), pgd);
}
#ifdef CONFIG_PPC64
#include <asm/nohash/64/pgalloc.h>
#else
#include <asm/nohash/32/pgalloc.h>
#endif
static inline void pgtable_free(void *table, int shift)
{
if (!shift) {
pte_fragment_free((unsigned long *)table, 0);
} else {
BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE);
kmem_cache_free(PGT_CACHE(shift), table);
}
}
static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift)
{
unsigned long pgf = (unsigned long)table;
BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE);
pgf |= shift;
tlb_remove_table(tlb, (void *)pgf);
}
static inline void __tlb_remove_table(void *_table)
{
void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE);
unsigned shift = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE;
pgtable_free(table, shift);
}
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
unsigned long address)
{
tlb_flush_pgtable(tlb, address);
pgtable_free_tlb(tlb, table, 0);
}
#endif /* _ASM_POWERPC_NOHASH_PGALLOC_H */