From mboxrd@z Thu Jan 1 00:00:00 1970 From: joel@joelfernandes.org (Joel Fernandes (Google)) Date: Fri, 12 Oct 2018 18:32:00 -0700 Subject: [PATCH 4/4] x86: 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: <20181013013200.206928-5-joel@joelfernandes.org> To: linux-snps-arc@lists.infradead.org Moving page-tables at the PMD-level on x86 is known to be safe. Enable this option so that we can do fast mremap when possible. Signed-off-by: Joel Fernandes (Google) --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 1a0be022f91d..01c02a9d7825 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -171,6 +171,7 @@ config X86 select HAVE_MEMBLOCK_NODE_MAP select HAVE_MIXED_BREAKPOINTS_REGS select HAVE_MOD_ARCH_SPECIFIC + select HAVE_MOVE_PMD select HAVE_NMI select HAVE_OPROFILE select HAVE_OPTPROBES -- 2.19.0.605.g01d371f741-goog