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Subject[PATCH v3 0/2] move __HAVE_ARCH_PTE_SPECIAL in Kconfig
Date
The per architecture __HAVE_ARCH_PTE_SPECIAL is defined statically in the
per architecture header files. This doesn't allow to make other
configuration dependent on it.

The first patch of this series is replacing __HAVE_ARCH_PTE_SPECIAL by
CONFIG_ARCH_HAS_PTE_SPECIAL defined into the Kconfig files,
setting it automatically when architectures was already setting it in
header file.

The second patch is removing the odd define HAVE_PTE_SPECIAL which is a
duplicate of CONFIG_ARCH_HAS_PTE_SPECIAL.

There is no functional change introduced by this series.

--
Changes since v2:
* remove __HAVE_ARCH_PTE_SPECIAL in arch/riscv/include/asm/pgtable-bits.h
* use IS_ENABLED() instead of #ifdef blocks in patch 2

Laurent Dufour (2):
mm: introduce ARCH_HAS_PTE_SPECIAL
mm: remove odd HAVE_PTE_SPECIAL

.../features/vm/pte_special/arch-support.txt | 2 +-
arch/arc/Kconfig | 1 +
arch/arc/include/asm/pgtable.h | 2 --
arch/arm/Kconfig | 1 +
arch/arm/include/asm/pgtable-3level.h | 1 -
arch/arm64/Kconfig | 1 +
arch/arm64/include/asm/pgtable.h | 2 --
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/book3s/64/pgtable.h | 3 ---
arch/powerpc/include/asm/pte-common.h | 3 ---
arch/riscv/Kconfig | 1 +
arch/riscv/include/asm/pgtable-bits.h | 3 ---
arch/s390/Kconfig | 1 +
arch/s390/include/asm/pgtable.h | 1 -
arch/sh/Kconfig | 1 +
arch/sh/include/asm/pgtable.h | 2 --
arch/sparc/Kconfig | 1 +
arch/sparc/include/asm/pgtable_64.h | 3 ---
arch/x86/Kconfig | 1 +
arch/x86/include/asm/pgtable_types.h | 1 -
include/linux/pfn_t.h | 4 ++--
mm/Kconfig | 3 +++
mm/gup.c | 4 ++--
mm/memory.c | 19 ++++++++-----------
24 files changed, 25 insertions(+), 37 deletions(-)

--
2.7.4

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