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powerpc/mm: add a helper to populate hugepd

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This patchs adds a subarch helper to populate hugepd.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy
2019-04-26 05:59:45 +00:00
committed by Michael Ellerman
parent 8197af22be
commit 5fb84fec46
4 changed files with 20 additions and 19 deletions
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6
arch/powerpc/include/asm/nohash/hugetlb-book3e.h
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@@ -28,4 +28,10 @@ static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr,
void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
static inline void hugepd_populate(hugepd_t *hpdp, pte_t *new, unsigned int pshift)
{
/* We use the old format for PPC_FSL_BOOK3E */
*hpdp = __hugepd(((unsigned long)new & ~PD_HUGE) | pshift);
}
#endif /* _ASM_POWERPC_NOHASH_HUGETLB_BOOK3E_H */