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[61.68.212.105]) by smtp.gmail.com with ESMTPSA id e29sm15755956pfj.92.2020.08.25.07.58.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Aug 2020 07:59:02 -0700 (PDT) From: Nicholas Piggin To: linux-mm@kvack.org, Andrew Morton Cc: Nicholas Piggin , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Zefan Li , Jonathan Cameron , Christoph Hellwig , Christophe Leroy Subject: [PATCH v7 12/12] powerpc/64s/radix: Enable huge vmalloc mappings Date: Wed, 26 Aug 2020 00:57:53 +1000 Message-Id: <20200825145753.529284-13-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200825145753.529284-1-npiggin@gmail.com> References: <20200825145753.529284-1-npiggin@gmail.com> MIME-Version: 1.0 X-Rspamd-Queue-Id: D17BE1004C6CD X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Nicholas Piggin --- 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/Documentat= ion/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 @@ =20 nohugeiomap [KNL,X86,PPC] Disable kernel huge I/O mappings. =20 + nohugevmalloc [PPC] Disable kernel huge vmalloc mappings. + nosmt [KNL,S390] Disable symmetric multithreading (SMT). Equivalent to smt=3D1. =20 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 <=3D 14 select HAVE_ARCH_KASAN_VMALLOC if PPC32 && PPC_PAGE_SHIFT <=3D 14 --=20 2.23.0