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mips: Make pmd_pfn() available in all configurations

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Whether or not the platform supports PMD sized pages, we need to
provide pmd_pfn() for an upcoming patch.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-02-14 09:59:11 -05:00
parent 7106c51ee9
commit 177bd2a954
1 changed files with 5 additions and 5 deletions
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10
arch/mips/include/asm/pgtable.h
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@ -86,6 +86,11 @@ extern void paging_init(void);
*/
#define pmd_phys(pmd) virt_to_phys((void *)pmd_val(pmd))
static inline unsigned long pmd_pfn(pmd_t pmd)
{
return pmd_val(pmd) >> _PFN_SHIFT;
}
#ifndef CONFIG_MIPS_HUGE_TLB_SUPPORT
#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
#endif /* CONFIG_MIPS_HUGE_TLB_SUPPORT */
@ -422,11 +427,6 @@ static inline int pmd_write(pmd_t pmd)
return !!(pmd_val(pmd) & _PAGE_WRITE);
}
static inline unsigned long pmd_pfn(pmd_t pmd)
{
return pmd_val(pmd) >> _PFN_SHIFT;
}
static inline struct page *pmd_page(pmd_t pmd)
{
if (pmd_val(pmd) & _PAGE_HUGE)