mmu.c (a02633e9b13dcb9b1a656b08f81bc8ba2d4d2294) mmu.c (15122ee2c515a253b0c66a3e618bc7ebe35105eb)
1/*
2 * Based on arch/arm/mm/mmu.c
3 *
4 * Copyright (C) 1995-2005 Russell King
5 * Copyright (C) 2012 ARM Ltd.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

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928{
929 return 1;
930}
931
932int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot)
933{
934 pgprot_t sect_prot = __pgprot(PUD_TYPE_SECT |
935 pgprot_val(mk_sect_prot(prot)));
1/*
2 * Based on arch/arm/mm/mmu.c
3 *
4 * Copyright (C) 1995-2005 Russell King
5 * Copyright (C) 2012 ARM Ltd.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

--- 919 unchanged lines hidden (view full) ---

928{
929 return 1;
930}
931
932int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot)
933{
934 pgprot_t sect_prot = __pgprot(PUD_TYPE_SECT |
935 pgprot_val(mk_sect_prot(prot)));
936
937 /* ioremap_page_range doesn't honour BBM */
938 if (pud_present(READ_ONCE(*pudp)))
939 return 0;
940
936 BUG_ON(phys & ~PUD_MASK);
937 set_pud(pudp, pfn_pud(__phys_to_pfn(phys), sect_prot));
938 return 1;
939}
940
941int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot)
942{
943 pgprot_t sect_prot = __pgprot(PMD_TYPE_SECT |
944 pgprot_val(mk_sect_prot(prot)));
941 BUG_ON(phys & ~PUD_MASK);
942 set_pud(pudp, pfn_pud(__phys_to_pfn(phys), sect_prot));
943 return 1;
944}
945
946int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot)
947{
948 pgprot_t sect_prot = __pgprot(PMD_TYPE_SECT |
949 pgprot_val(mk_sect_prot(prot)));
950
951 /* ioremap_page_range doesn't honour BBM */
952 if (pmd_present(READ_ONCE(*pmdp)))
953 return 0;
954
945 BUG_ON(phys & ~PMD_MASK);
946 set_pmd(pmdp, pfn_pmd(__phys_to_pfn(phys), sect_prot));
947 return 1;
948}
949
950int pud_clear_huge(pud_t *pudp)
951{
952 if (!pud_sect(READ_ONCE(*pudp)))

--- 12 unchanged lines hidden --- 		955 BUG_ON(phys & ~PMD_MASK);
956 set_pmd(pmdp, pfn_pmd(__phys_to_pfn(phys), sect_prot));
957 return 1;
958}
959
960int pud_clear_huge(pud_t *pudp)
961{
962 if (!pud_sect(READ_ONCE(*pudp)))

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