Commit 2fb4706057bc ("powerpc: add support for folded p4d page tables") erroneously changed PUD setup to a mix of PMD and PUD. Fix it.
While at it, use PTE_TABLE_SIZE instead of PAGE_SIZE for PTE tables in order to avoid any confusion.
Fixes: 2fb4706057bc ("powerpc: add support for folded p4d page tables") Cc: stable@vger.kernel.org Cc: Mike Rapoport rppt@kernel.org Signed-off-by: Christophe Leroy christophe.leroy@csgroup.eu --- arch/powerpc/mm/nohash/book3e_pgtable.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/mm/nohash/book3e_pgtable.c b/arch/powerpc/mm/nohash/book3e_pgtable.c index 7d4368d055a6..b80fc4a91a53 100644 --- a/arch/powerpc/mm/nohash/book3e_pgtable.c +++ b/arch/powerpc/mm/nohash/book3e_pgtable.c @@ -96,8 +96,8 @@ int __ref map_kernel_page(unsigned long ea, unsigned long pa, pgprot_t prot) pgdp = pgd_offset_k(ea); p4dp = p4d_offset(pgdp, ea); if (p4d_none(*p4dp)) { - pmdp = early_alloc_pgtable(PMD_TABLE_SIZE); - p4d_populate(&init_mm, p4dp, pmdp); + pudp = early_alloc_pgtable(PUD_TABLE_SIZE); + p4d_populate(&init_mm, p4dp, pudp); } pudp = pud_offset(p4dp, ea); if (pud_none(*pudp)) { @@ -106,7 +106,7 @@ int __ref map_kernel_page(unsigned long ea, unsigned long pa, pgprot_t prot) } pmdp = pmd_offset(pudp, ea); if (!pmd_present(*pmdp)) { - ptep = early_alloc_pgtable(PAGE_SIZE); + ptep = early_alloc_pgtable(PTE_TABLE_SIZE); pmd_populate_kernel(&init_mm, pmdp, ptep); } ptep = pte_offset_kernel(pmdp, ea);