[PATCH v5 07/18] powerpc/8xx: Fix size given to set_huge_pte_at()

Christophe Leroy
2024-06-10T05:55:36Z

set_huge_pte_at() expects the size of the hugepage as an int, not the
psize which is the index of the page definition in table mmu_psize_defs[]

Fixes: 935d4f0c6dc8 ("mm: hugetlb: add huge page size param to set_huge_pte_at()")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
---
arch/powerpc/mm/nohash/8xx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c
index 43d4842bb1c7..d93433e26ded 100644
--- a/arch/powerpc/mm/nohash/8xx.c
+++ b/arch/powerpc/mm/nohash/8xx.c
@@ -94,7 +94,8 @@ static int __ref __early_map_kernel_hugepage(unsigned long va, phys_addr_t pa,
return -EINVAL;

set_huge_pte_at(&init_mm, va, ptep,
- pte_mkhuge(pfn_pte(pa >> PAGE_SHIFT, prot)), psize);
+ pte_mkhuge(pfn_pte(pa >> PAGE_SHIFT, prot)),
+ 1UL << mmu_psize_to_shift(psize));

return 0;
}
--
2.44.0