Server : nginx/1.18.0 System : Linux localhost 6.14.3-x86_64-linode168 #1 SMP PREEMPT_DYNAMIC Mon Apr 21 19:47:55 EDT 2025 x86_64 User : www-data ( 33) PHP Version : 8.0.16 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/src/linux-headers-5.4.0-215/arch/arm64/include/asm/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Based on arch/arm/include/asm/tlb.h
 *
 * Copyright (C) 2002 Russell King
 * Copyright (C) 2012 ARM Ltd.
 */
#ifndef __ASM_TLB_H
#define __ASM_TLB_H

#include <linux/pagemap.h>
#include <linux/swap.h>

static inline void __tlb_remove_table(void *_table)
{
	free_page_and_swap_cache((struct page *)_table);
}

#define tlb_flush tlb_flush
static void tlb_flush(struct mmu_gather *tlb);

#include <asm-generic/tlb.h>

static inline void tlb_flush(struct mmu_gather *tlb)
{
	struct vm_area_struct vma = TLB_FLUSH_VMA(tlb->mm, 0);
	bool last_level = !tlb->freed_tables;
	unsigned long stride = tlb_get_unmap_size(tlb);

	/*
	 * If we're tearing down the address space then we only care about
	 * invalidating the walk-cache, since the ASID allocator won't
	 * reallocate our ASID without invalidating the entire TLB.
	 */
	if (tlb->fullmm) {
		if (!last_level)
			flush_tlb_mm(tlb->mm);
		return;
	}

	__flush_tlb_range(&vma, tlb->start, tlb->end, stride, last_level);
}

static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
				  unsigned long addr)
{
	pgtable_pte_page_dtor(pte);
	tlb_remove_table(tlb, pte);
}

#if CONFIG_PGTABLE_LEVELS > 2
static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp,
				  unsigned long addr)
{
	struct page *page = virt_to_page(pmdp);

	pgtable_pmd_page_dtor(page);
	tlb_remove_table(tlb, page);
}
#endif

#if CONFIG_PGTABLE_LEVELS > 3
static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pudp,
				  unsigned long addr)
{
	tlb_remove_table(tlb, virt_to_page(pudp));
}
#endif

#endif