6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christophe Leroy <christophe.leroy@xxxxxxxxxx> [ Upstream commit 7ea981070fd9ec24bc0111636038193aebb0289c ] 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[] Link: https://lkml.kernel.org/r/97f2090011e25d99b6b0aae73e22e1b921c5d1fb.1719928057.git.christophe.leroy@xxxxxxxxxx Fixes: 935d4f0c6dc8 ("mm: hugetlb: add huge page size param to set_huge_pte_at()") Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> Cc: Jason Gunthorpe <jgg@xxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Nicholas Piggin <npiggin@xxxxxxxxx> Cc: Peter Xu <peterx@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 a642a79298929..3245016302787 100644 --- a/arch/powerpc/mm/nohash/8xx.c +++ b/arch/powerpc/mm/nohash/8xx.c @@ -92,7 +92,8 @@ 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; } -- 2.43.0