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Date: Wed, 26 Aug 2020 00:57:53 +1000 From: Nicholas Piggin <npiggin@...il.com> To: linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org> Cc: Nicholas Piggin <npiggin@...il.com>, linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, Zefan Li <lizefan@...wei.com>, Jonathan Cameron <Jonathan.Cameron@...wei.com>, Christoph Hellwig <hch@...radead.org>, Christophe Leroy <christophe.leroy@...roup.eu> Subject: [PATCH v7 12/12] powerpc/64s/radix: Enable huge vmalloc mappings Cc: linuxppc-dev@...ts.ozlabs.org Signed-off-by: Nicholas Piggin <npiggin@...il.com> --- Documentation/admin-guide/kernel-parameters.txt | 2 ++ arch/powerpc/Kconfig | 1 + 2 files changed, 3 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index bdc1f33fd3d1..6f0b41289a90 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3190,6 +3190,8 @@ nohugeiomap [KNL,X86,PPC] Disable kernel huge I/O mappings. + nohugevmalloc [PPC] Disable kernel huge vmalloc mappings. + nosmt [KNL,S390] Disable symmetric multithreading (SMT). Equivalent to smt=1. diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 1f48bbfb3ce9..9171d25ad7dc 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -175,6 +175,7 @@ config PPC select GENERIC_TIME_VSYSCALL select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_HUGE_VMAP if PPC_BOOK3S_64 && PPC_RADIX_MMU + select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_KASAN if PPC32 && PPC_PAGE_SHIFT <= 14 select HAVE_ARCH_KASAN_VMALLOC if PPC32 && PPC_PAGE_SHIFT <= 14 -- 2.23.0
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