From: Nicholas Piggin <npiggin@gmail.com>
To: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>
Cc: Nicholas Piggin <npiggin@gmail.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, Zefan Li <lizefan@huawei.com>,
Jonathan Cameron <Jonathan.Cameron@Huawei.com>,
Christoph Hellwig <hch@infradead.org>,
Christophe Leroy <christophe.leroy@csgroup.eu>
Subject: [PATCH v7 12/12] powerpc/64s/radix: Enable huge vmalloc mappings
Date: Wed, 26 Aug 2020 00:57:53 +1000 [thread overview]
Message-ID: <20200825145753.529284-13-npiggin@gmail.com> (raw)
In-Reply-To: <20200825145753.529284-1-npiggin@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.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
prev parent reply other threads:[~2020-08-25 15:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-25 14:57 [PATCH v7 00/12] huge vmalloc mappings Nicholas Piggin
2020-08-25 14:57 ` [PATCH v7 01/12] mm/vmalloc: fix vmalloc_to_page for huge vmap mappings Nicholas Piggin
2020-08-25 14:57 ` [PATCH v7 02/12] mm: apply_to_pte_range warn and fail if a large pte is encountered Nicholas Piggin
2020-08-25 14:57 ` [PATCH v7 03/12] mm/vmalloc: rename vmap_*_range vmap_pages_*_range Nicholas Piggin
2020-08-25 14:57 ` [PATCH v7 04/12] mm/ioremap: rename ioremap_*_range to vmap_*_range Nicholas Piggin
2020-08-25 14:57 ` [PATCH v7 05/12] mm: HUGE_VMAP arch support cleanup Nicholas Piggin
2020-09-11 10:36 ` Tang Yizhou
2020-09-14 1:49 ` Nicholas Piggin
2020-08-25 14:57 ` [PATCH v7 06/12] powerpc: inline huge vmap supported functions Nicholas Piggin
2020-08-26 11:59 ` Michael Ellerman
2020-08-25 14:57 ` [PATCH v7 07/12] arm64: " Nicholas Piggin
2020-08-26 10:02 ` Catalin Marinas
2020-08-25 14:57 ` [PATCH v7 08/12] x86: " Nicholas Piggin
2020-08-25 14:57 ` [PATCH v7 09/12] mm: Move vmap_range from mm/ioremap.c to mm/vmalloc.c Nicholas Piggin
2020-08-25 14:57 ` [PATCH v7 10/12] mm/vmalloc: add vmap_range_noflush variant Nicholas Piggin
2020-08-25 14:57 ` [PATCH v7 11/12] mm/vmalloc: Hugepage vmalloc mappings Nicholas Piggin
2020-08-25 14:57 ` Nicholas Piggin [this message]
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