linux-kernel - [PATCH] arm64: Kconfig: Enable NODES_SPAN_OTHER

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1580759714-4614-1-git-send-email-Hoan@os.amperecomputing.com>
Date:   Mon,  3 Feb 2020 11:55:14 -0800
From:   Hoan Tran <Hoan@...amperecomputing.com>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        patches@...amperecomputing.com,
        Hoan Tran <Hoan@...amperecomputing.com>
Subject: [PATCH] arm64: Kconfig: Enable NODES_SPAN_OTHER_NODES config for NUMA

Some NUMA nodes have memory ranges that span other nodes.
Even though a pfn is valid and between a node's start and end pfns,
it may not reside on that node.

This patch enables NODES_SPAN_OTHER_NODES config for NUMA to support
this type of NUMA layout.

Signed-off-by: Hoan Tran <Hoan@...amperecomputing.com>
---
 arch/arm64/Kconfig | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index e688dfa..939d28f 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -959,6 +959,13 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK
 config HOLES_IN_ZONE
 	def_bool y
 
+# Some NUMA nodes have memory ranges that span other nodes.
+# Even though a pfn is valid and between a node's start and end pfns,
+# it may not reside on that node.
+config NODES_SPAN_OTHER_NODES
+	def_bool y
+	depends on ACPI_NUMA
+
 source "kernel/Kconfig.hz"
 
 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
-- 
1.8.3.1