blob: 932dadfdca544e4f08c130ee921c0954f1694643 [file] [log] [blame] [edit]
// SPDX-License-Identifier: GPL-2.0
#include <linux/hugetlb.h>
#include <linux/err.h>
int pud_huge(pud_t pud)
{
return pud_leaf(pud);
}
int pmd_huge(pmd_t pmd)
{
return pmd_leaf(pmd);
}
bool __init arch_hugetlb_valid_size(unsigned long size)
{
if (size == HPAGE_SIZE)
return true;
else if (IS_ENABLED(CONFIG_64BIT) && size == PUD_SIZE)
return true;
else
return false;
}
#ifdef CONFIG_CONTIG_ALLOC
static __init int gigantic_pages_init(void)
{
/* With CONTIG_ALLOC, we can allocate gigantic pages at runtime */
if (IS_ENABLED(CONFIG_64BIT))
hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
return 0;
}
arch_initcall(gigantic_pages_init);
#endif