forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
678 B
34 lines
678 B
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* arch/arm/mm/hugetlbpage.c |
|
* |
|
* Copyright (C) 2012 ARM Ltd. |
|
* |
|
* Based on arch/x86/include/asm/hugetlb.h and Bill Carson's patches |
|
*/ |
|
|
|
#include <linux/init.h> |
|
#include <linux/fs.h> |
|
#include <linux/mm.h> |
|
#include <linux/hugetlb.h> |
|
#include <linux/pagemap.h> |
|
#include <linux/err.h> |
|
#include <linux/sysctl.h> |
|
#include <asm/mman.h> |
|
#include <asm/tlb.h> |
|
#include <asm/tlbflush.h> |
|
|
|
/* |
|
* On ARM, huge pages are backed by pmd's rather than pte's, so we do a lot |
|
* of type casting from pmd_t * to pte_t *. |
|
*/ |
|
|
|
int pud_huge(pud_t pud) |
|
{ |
|
return 0; |
|
} |
|
|
|
int pmd_huge(pmd_t pmd) |
|
{ |
|
return pmd_val(pmd) && !(pmd_val(pmd) & PMD_TABLE_BIT); |
|
}
|
|
|