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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CRIS_PGALLOC_H
#define _CRIS_PGALLOC_H

#include <linux/threads.h>
#include <linux/mm.h>

#define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte)
#define pmd_populate(mm, pmd, pte) pmd_set(pmd, page_address(pte))
#define pmd_pgtable(pmd) pmd_page(pmd)

/*
 * Allocate and free page tables.
 */

static inline pgd_t *pgd_alloc (struct mm_struct *mm)
{
	return (pgd_t *)get_zeroed_page(GFP_KERNEL);
}

static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
	free_page((unsigned long)pgd);
}

static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
{
	pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
 	return pte;
}

static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
{
	struct page *pte;
	pte = alloc_pages(GFP_KERNEL|__GFP_ZERO, 0);
	if (!pte)
		return NULL;
	if (!pgtable_page_ctor(pte)) {
		__free_page(pte);
		return NULL;
	}
	return pte;
}

static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
	free_page((unsigned long)pte);
}

static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
{
	pgtable_page_dtor(pte);
	__free_page(pte);
}

#define __pte_free_tlb(tlb,pte,address)			\
do {							\
	pgtable_page_dtor(pte);				\
	tlb_remove_page((tlb), pte);			\
} while (0)

#define check_pgt_cache()          do { } while (0)

#endif

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Name Type Size Permission Actions
Kbuild File 729 B 0644
asm-offsets.h File 35 B 0644
axisflashmap.h File 1.92 KB 0644
bitops.h File 1.27 KB 0644
bug.h File 108 B 0644
bugs.h File 300 B 0644
cache.h File 133 B 0644
cacheflush.h File 1.3 KB 0644
checksum.h File 2.01 KB 0644
delay.h File 537 B 0644
dma-mapping.h File 399 B 0644
dma.h File 458 B 0644
eshlibld.h File 3.49 KB 0644
etraxi2c.h File 1019 B 0644
fasttimer.h File 1.12 KB 0644
fb.h File 244 B 0644
ftrace.h File 12 B 0644
hw_irq.h File 53 B 0644
io.h File 732 B 0644
irq.h File 194 B 0644
irqflags.h File 27 B 0644
mmu.h File 155 B 0644
mmu_context.h File 927 B 0644
page.h File 2.52 KB 0644
pci.h File 1.05 KB 0644
pgalloc.h File 1.36 KB 0644
pgtable.h File 9.58 KB 0644
processor.h File 1.82 KB 0644
ptrace.h File 393 B 0644
segment.h File 148 B 0644
serial.h File 211 B 0644
shmparam.h File 232 B 0644
signal.h File 505 B 0644
stacktrace.h File 213 B 0644
string.h File 508 B 0644
swab.h File 159 B 0644
switch_to.h File 449 B 0644
termios.h File 1.71 KB 0644
thread_info.h File 2.47 KB 0644
timex.h File 433 B 0644
tlb.h File 453 B 0644
tlbflush.h File 1.09 KB 0644
uaccess.h File 9.59 KB 0644
ucontext.h File 322 B 0644
unaligned.h File 345 B 0644
unistd.h File 972 B 0644
user.h File 2.14 KB 0644