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

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 <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> BugLink: linuxppc/issues#109 Link: https://lore.kernel.org/r/[email protected]
bignaux · Oct 27, 2021 · f22969a · f22969a
1 parent b7472e1
commit f22969a
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Showing 11 changed files with 5 additions and 6 deletions.
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
@@ -710,6 +710,7 @@ config ARCH_MEMORY_PROBE
 
 choice
 	prompt "Page size"
+	default PPC_64K_PAGES if PPC_BOOK3S_64
 	default PPC_4K_PAGES
 	help
 	  Select the kernel logical page size. Increasing the page size

diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig
@@ -36,7 +36,6 @@ CONFIG_GEN_RTC=y
 CONFIG_BINFMT_MISC=m
 CONFIG_IRQ_ALL_CPUS=y
 CONFIG_NUMA=y
-CONFIG_PPC_64K_PAGES=y
 CONFIG_SCHED_SMT=y
 CONFIG_PCIEPORTBUS=y
 CONFIG_NET=y

diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig
@@ -26,6 +26,7 @@ CONFIG_CPU_FREQ_PMAC64=y
 CONFIG_GEN_RTC=y
 CONFIG_KEXEC=y
 CONFIG_IRQ_ALL_CPUS=y
+CONFIG_PPC_4K_PAGES=y
 CONFIG_PCI_MSI=y
 CONFIG_NET=y
 CONFIG_PACKET=y

diff --git a/arch/powerpc/configs/maple_defconfig b/arch/powerpc/configs/maple_defconfig
@@ -25,6 +25,7 @@ CONFIG_UDBG_RTAS_CONSOLE=y
 CONFIG_GEN_RTC=y
 CONFIG_KEXEC=y
 CONFIG_IRQ_ALL_CPUS=y
+CONFIG_PPC_4K_PAGES=y
 CONFIG_PCI_MSI=y
 CONFIG_NET=y
 CONFIG_PACKET=y

diff --git a/arch/powerpc/configs/microwatt_defconfig b/arch/powerpc/configs/microwatt_defconfig
@@ -26,6 +26,7 @@ CONFIG_PPC_MICROWATT=y
 # CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set
 CONFIG_CPU_FREQ=y
 CONFIG_HZ_100=y
+CONFIG_PPC_4K_PAGES=y
 # CONFIG_PPC_MEM_KEYS is not set
 # CONFIG_SECCOMP is not set
 # CONFIG_MQ_IOSCHED_KYBER is not set

diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig
@@ -22,7 +22,6 @@ CONFIG_CPU_FREQ_GOV_POWERSAVE=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
 CONFIG_CPU_FREQ_GOV_ONDEMAND=y
 CONFIG_HZ_1000=y
-CONFIG_PPC_64K_PAGES=y
 # CONFIG_SECCOMP is not set
 CONFIG_PCI_MSI=y
 CONFIG_PCCARD=y

diff --git a/arch/powerpc/configs/powernv_defconfig b/arch/powerpc/configs/powernv_defconfig
@@ -62,7 +62,6 @@ CONFIG_MEMORY_FAILURE=y
 CONFIG_HWPOISON_INJECT=m
 CONFIG_TRANSPARENT_HUGEPAGE=y
 CONFIG_DEFERRED_STRUCT_PAGE_INIT=y
-CONFIG_PPC_64K_PAGES=y
 CONFIG_SCHED_SMT=y
 CONFIG_PM=y
 CONFIG_HOTPLUG_PCI=y

diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
@@ -52,7 +52,6 @@ CONFIG_KEXEC_FILE=y
 CONFIG_CRASH_DUMP=y
 CONFIG_FA_DUMP=y
 CONFIG_IRQ_ALL_CPUS=y
-CONFIG_PPC_64K_PAGES=y
 CONFIG_SCHED_SMT=y
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_RPA=m

diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig
@@ -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

diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
@@ -56,7 +56,6 @@ CONFIG_MEMORY_HOTPLUG=y
 CONFIG_MEMORY_HOTREMOVE=y
 CONFIG_KSM=y
 CONFIG_TRANSPARENT_HUGEPAGE=y
-CONFIG_PPC_64K_PAGES=y
 CONFIG_SCHED_SMT=y
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_RPA=m

diff --git a/arch/powerpc/configs/skiroot_defconfig b/arch/powerpc/configs/skiroot_defconfig
@@ -43,7 +43,6 @@ CONFIG_KEXEC_FILE=y
 CONFIG_PRESERVE_FA_DUMP=y
 CONFIG_IRQ_ALL_CPUS=y
 CONFIG_NUMA=y
-CONFIG_PPC_64K_PAGES=y
 CONFIG_SCHED_SMT=y
 CONFIG_CMDLINE="console=tty0 console=hvc0 ipr.fast_reboot=1 quiet"
 # CONFIG_SECCOMP is not set