Excerpts from Christophe Leroy's message of October 21, 2021 3:03 pm: > > > Le 21/10/2021 à 05:54, Nicholas Piggin a écrit : >> mmu_linear_psize is only set at boot once on 64e, is not necessarily >> the correct size of the linear map pages, and is never used anywhere >> except memremap_compat_align. >> >> Remove mmu_linear_psize and hard code the 1GB value instead in >> memremap_compat_align. >> >> Signed-off-by: Nicholas Piggin <npig...@gmail.com> >> --- >> arch/powerpc/mm/ioremap.c | 6 +++++- >> arch/powerpc/mm/nohash/tlb.c | 9 --------- >> 2 files changed, 5 insertions(+), 10 deletions(-) >> >> diff --git a/arch/powerpc/mm/ioremap.c b/arch/powerpc/mm/ioremap.c >> index 57342154d2b0..730c3bbe4759 100644 >> --- a/arch/powerpc/mm/ioremap.c >> +++ b/arch/powerpc/mm/ioremap.c >> @@ -109,12 +109,16 @@ void __iomem *do_ioremap(phys_addr_t pa, phys_addr_t >> offset, unsigned long size, >> */ >> unsigned long memremap_compat_align(void) >> { >> +#ifdef CONFIG_PPC_BOOK3E_64 > > I don't think this function really belongs to ioremap.c > > Could avoid the #ifdef by going in: > > arch/powerpc/mm/nohash/book3e_pgtable.c > > and > > arch/powerpc/mm/book3s64/pgtable.c
Yeah that might work. Thanks, Nick