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[RFC,6/8] powerpc/8xx: Fix size given to set_huge_pte_at()

Message ID b10988a38406b5a6ceae79c30d3dd65d3e5b40ab.1711377230.git.christophe.leroy@csgroup.eu (mailing list archive)
State New
Headers show
Series Reimplement huge pages without hugepd on powerpc 8xx | expand

Commit Message

Christophe Leroy March 25, 2024, 2:55 p.m. UTC 
set_huge_pte_at() expects the real page size, 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>
---
 arch/powerpc/mm/nohash/8xx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c
index 6be6421086ed..70b4d807fda5 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;
 }