35 lines
659 B
C
35 lines
659 B
C
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// SPDX-License-Identifier: GPL-2.0
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#include <linux/hugetlb.h>
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#include <linux/err.h>
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int pud_huge(pud_t pud)
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{
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return pud_leaf(pud);
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}
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int pmd_huge(pmd_t pmd)
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{
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return pmd_leaf(pmd);
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}
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bool __init arch_hugetlb_valid_size(unsigned long size)
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{
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if (size == HPAGE_SIZE)
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return true;
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else if (IS_ENABLED(CONFIG_64BIT) && size == PUD_SIZE)
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return true;
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else
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return false;
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}
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#ifdef CONFIG_CONTIG_ALLOC
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static __init int gigantic_pages_init(void)
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{
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/* With CONTIG_ALLOC, we can allocate gigantic pages at runtime */
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if (IS_ENABLED(CONFIG_64BIT))
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hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
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return 0;
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}
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arch_initcall(gigantic_pages_init);
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#endif
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