[PATCH v2 0/1] mm: pgtable: fix pte_swp_exclusive

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The first version of this patch intended to fix issues with swap memory on
alpha, when swapoff fails to writeback exclusive swap pages and gets stuck
in an infinite loop trying to do so. This problem appeared after commit
a172d5128706028ac07b8db709728379ecc72f6e and as far as I know only
affected the alpha architecure.

Changes in v2:
As suggested by Al Viro, rather than doing a bit-shift alpha-only fix this
version of the patch makes pte_swp_exclusive return bool instead of int.
As Al pointed out, this will also better reflect how pte_swp_exclusive
is actually used in the code.

Best regards
Magnus Lindholm linmag7@xxxxxxxxx

 arch/alpha/include/asm/pgtable.h             | 2 +-
 arch/arc/include/asm/pgtable-bits-arcv2.h    | 2 +-
 arch/arm/include/asm/pgtable.h               | 2 +-
 arch/arm64/include/asm/pgtable.h             | 2 +-
 arch/csky/include/asm/pgtable.h              | 2 +-
 arch/hexagon/include/asm/pgtable.h           | 2 +-
 arch/loongarch/include/asm/pgtable.h         | 2 +-
 arch/m68k/include/asm/mcf_pgtable.h          | 2 +-
 arch/m68k/include/asm/motorola_pgtable.h     | 2 +-
 arch/m68k/include/asm/sun3_pgtable.h         | 2 +-
 arch/microblaze/include/asm/pgtable.h        | 2 +-
 arch/mips/include/asm/pgtable.h              | 4 ++--
 arch/nios2/include/asm/pgtable.h             | 2 +-
 arch/openrisc/include/asm/pgtable.h          | 2 +-
 arch/parisc/include/asm/pgtable.h            | 2 +-
 arch/powerpc/include/asm/book3s/32/pgtable.h | 2 +-
 arch/powerpc/include/asm/book3s/64/pgtable.h | 2 +-
 arch/powerpc/include/asm/nohash/pgtable.h    | 2 +-
 arch/riscv/include/asm/pgtable.h             | 2 +-
 arch/s390/include/asm/pgtable.h              | 2 +-
 arch/sh/include/asm/pgtable_32.h             | 2 +-
 arch/sparc/include/asm/pgtable_32.h          | 2 +-
 arch/sparc/include/asm/pgtable_64.h          | 2 +-
 arch/um/include/asm/pgtable.h                | 2 +-
 arch/x86/include/asm/pgtable.h               | 2 +-
 arch/xtensa/include/asm/pgtable.h            | 2 +-
 26 files changed, 27 insertions(+), 27 deletions(-)




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