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powerpc/64s: Default to 64K pages for 64 bit book3s

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For 64-bit book3s the default should be 64K as that's what modern CPUs
are designed for.

The following defconfigs already set CONFIG_PPC_64K_PAGES:

 cell_defconfig
 pasemi_defconfig
 powernv_defconfig
 ppc64_defconfig
 pseries_defconfig
 skiroot_defconfig

The have the option removed from the defconfig, as it is now the
default.

The defconfigs that now need to set CONFIG_PPC_4K_PAGES to maintain
their existing behaviour are:

 g5_defconfig
 maple_defconfig
 microwatt_defconfig
 ps3_defconfig

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
BugLink: https://github.com/linuxppc/issues/issues/109
Link: https://lore.kernel.org/r/20211015001649.45591-1-joel@jms.id.au
This commit is contained in:
Joel Stanley
2021-10-15 10:46:49 +10:30
committed by Michael Ellerman
parent b7472e1764
commit f22969a660
11 changed files with 5 additions and 6 deletions
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arch/powerpc/configs/ps3_defconfig
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@@ -30,6 +30,7 @@ CONFIG_PS3_LPM=m
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_BINFMT_MISC=y
CONFIG_KEXEC=y
CONFIG_PPC_4K_PAGES=y
# CONFIG_SPARSEMEM_VMEMMAP is not set
# CONFIG_COMPACTION is not set
CONFIG_SCHED_SMT=y