Excerpts from Michael Ellerman's message of December 7, 2021 11:00 pm:
> Nicholas Piggin writes:
>> 34 files changed, 173 insertions(+), 52 deletions(-)
>
>
> I was able to clean up some of the ifdefs a little with the changes
> below. I'll run these through some test builds and then squash the
Nicholas Piggin writes:
> Compiling out hash support code when CONFIG_PPC_64S_HASH_MMU=n saves
> 128kB kernel image size (90kB text) on powernv_defconfig minus KVM,
> 350kB on pseries_defconfig minus KVM, 40kB on a tiny config.
>
> Signed-off-by: Nicholas Piggin
> ---
> arch/powerpc/Kconfig
Nicholas Piggin writes:
> diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h
> b/arch/powerpc/include/asm/book3s/64/mmu.h
> index 015d7d972d16..c480d21a146c 100644
> --- a/arch/powerpc/include/asm/book3s/64/mmu.h
> +++ b/arch/powerpc/include/asm/book3s/64/mmu.h
> @@ -239,8 +251,9 @@ static inl
Nicholas Piggin writes:
> diff --git a/arch/powerpc/mm/book3s64/pgtable.c
> b/arch/powerpc/mm/book3s64/pgtable.c
> index 4d97d1525d49..d765d972566b 100644
> --- a/arch/powerpc/mm/book3s64/pgtable.c
> +++ b/arch/powerpc/mm/book3s64/pgtable.c
> @@ -534,7 +534,7 @@ static int __init pgtable_debugfs_
Nicholas Piggin writes:
> Compiling out hash support code when CONFIG_PPC_64S_HASH_MMU=n saves
> 128kB kernel image size (90kB text) on powernv_defconfig minus KVM,
> 350kB on pseries_defconfig minus KVM, 40kB on a tiny config.
>
> Signed-off-by: Nicholas Piggin
Tested this series on a P9. Trie
Compiling out hash support code when CONFIG_PPC_64S_HASH_MMU=n saves
128kB kernel image size (90kB text) on powernv_defconfig minus KVM,
350kB on pseries_defconfig minus KVM, 40kB on a tiny config.
Signed-off-by: Nicholas Piggin
---
arch/powerpc/Kconfig | 2 +-
arch/pow
