/* SPDX-License-Identifier: GPL-2.0 */
/* sun3_pgalloc.h --
* reorganization around 2 . 3 . 39 , routines moved from sun3_pgtable . h
*
*
* 02 / 27 / 2002 - - Modified to support " highpte " implementation in 2 . 5 . 5 ( Sam )
*
* moved 1 / 26 / 2000 Sam Creasey
*/
#ifndef _SUN3_PGALLOC_H
#define _SUN3_PGALLOC_H
#include <asm /tlb.h>
#include <asm -generic/pgalloc.h>
extern const char bad_pmd_string[];
#define __pte_free_tlb(tlb, pte, addr) \
tlb_remove_ptdesc((tlb), page_ptdesc(pte))
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
{
pmd_val(*pmd) = __pa((unsigned long )pte);
}
static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page)
{
pmd_val(*pmd) = __pa((unsigned long )page_address(page));
}
/*
* allocating and freeing a pmd is trivial : the 1 - entry pmd is
* inside the pgd , so has no extra memory associated with it .
*/
#define pmd_free(mm, x) do { } while (0 )
static inline pgd_t * pgd_alloc(struct mm_struct *mm)
{
pgd_t *new_pgd;
new_pgd = __pgd_alloc(mm, 0 );
if (likely(new_pgd != NULL)) {
memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE);
memset(new_pgd, 0 , (PAGE_OFFSET >> PGDIR_SHIFT));
}
return new_pgd;
}
#endif /* SUN3_PGALLOC_H */
Messung V0.5 in Prozent C=93 H=67 G=80
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-28)
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