From mboxrd@z Thu Jan 1 00:00:00 1970 From: joel@joelfernandes.org (Joel Fernandes (Google)) Date: Fri, 12 Oct 2018 18:31:59 -0700 Subject: [PATCH 3/4] arm64: select HAVE_MOVE_PMD for faster mremap (v1) In-Reply-To: <20181013013200.206928-1-joel@joelfernandes.org> References: <20181013013200.206928-1-joel@joelfernandes.org> List-ID: Message-ID: <20181013013200.206928-4-joel@joelfernandes.org> To: linux-snps-arc@lists.infradead.org Moving page-tables at the PMD-level on arm64 is known to be safe. Enable this option so that we can do fast mremap when possible. Signed-off-by: Joel Fernandes (Google) --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 1b1a0e95c751..5d7c35c6f90c 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -135,6 +135,7 @@ config ARM64 select HAVE_IRQ_TIME_ACCOUNTING select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP if NUMA + select HAVE_MOVE_PMD select HAVE_NMI select HAVE_PATA_PLATFORM select HAVE_PERF_EVENTS -- 2.19.0.605.g01d371f741-goog