Contributors: 11
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Russell King |
63 |
34.62% |
5 |
27.78% |
| Peter Zijlstra |
37 |
20.33% |
2 |
11.11% |
| Catalin Marinas |
25 |
13.74% |
3 |
16.67% |
| Hyok S. Choi |
25 |
13.74% |
1 |
5.56% |
| Vishal Moola (Oracle) |
20 |
10.99% |
1 |
5.56% |
| Will Deacon |
3 |
1.65% |
1 |
5.56% |
| Matthew Wilcox |
3 |
1.65% |
1 |
5.56% |
| Thomas Gleixner |
2 |
1.10% |
1 |
5.56% |
| Andrew Morton |
2 |
1.10% |
1 |
5.56% |
| Anders Roxell |
1 |
0.55% |
1 |
5.56% |
| Aneesh Kumar K.V |
1 |
0.55% |
1 |
5.56% |
| Total |
182 |
|
18 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/include/asm/tlb.h
*
* Copyright (C) 2002 Russell King
*
* Experimentation shows that on a StrongARM, it appears to be faster
* to use the "invalidate whole tlb" rather than "invalidate single
* tlb" for this.
*
* This appears true for both the process fork+exit case, as well as
* the munmap-large-area case.
*/
#ifndef __ASMARM_TLB_H
#define __ASMARM_TLB_H
#include <asm/cacheflush.h>
#ifndef CONFIG_MMU
#include <linux/pagemap.h>
#define tlb_flush(tlb) ((void) tlb)
#include <asm-generic/tlb.h>
#else /* !CONFIG_MMU */
#include <linux/swap.h>
#include <asm/tlbflush.h>
static inline void __tlb_remove_table(void *_table)
{
free_page_and_swap_cache((struct page *)_table);
}
#include <asm-generic/tlb.h>
static inline void
__pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr)
{
struct ptdesc *ptdesc = page_ptdesc(pte);
pagetable_pte_dtor(ptdesc);
#ifndef CONFIG_ARM_LPAE
/*
* With the classic ARM MMU, a pte page has two corresponding pmd
* entries, each covering 1MB.
*/
addr = (addr & PMD_MASK) + SZ_1M;
__tlb_adjust_range(tlb, addr - PAGE_SIZE, 2 * PAGE_SIZE);
#endif
tlb_remove_ptdesc(tlb, ptdesc);
}
static inline void
__pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr)
{
#ifdef CONFIG_ARM_LPAE
struct ptdesc *ptdesc = virt_to_ptdesc(pmdp);
pagetable_pmd_dtor(ptdesc);
tlb_remove_ptdesc(tlb, ptdesc);
#endif
}
#endif /* CONFIG_MMU */
#endif