diff mbox series

[v4,11/11] x86: select ARCH_SUPPORTS_PT_RECLAIM if X86_64

Message ID 841c1f35478d5354872d307888979c9e20de9c09.1733305182.git.zhengqi.arch@bytedance.com (mailing list archive)
State New
Headers show
Series synchronously scan and reclaim empty user PTE pages | expand

Commit Message

Qi Zheng Dec. 4, 2024, 11:09 a.m. UTC 
Now, x86 has fully supported the CONFIG_PT_RECLAIM feature, and
reclaiming PTE pages is profitable only on 64-bit systems, so select
ARCH_SUPPORTS_PT_RECLAIM if X86_64.

Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: x86@kernel.org
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 65f8478fe7a96..77f001c6a5679 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -324,6 +324,7 @@  config X86
 	select FUNCTION_ALIGNMENT_4B
 	imply IMA_SECURE_AND_OR_TRUSTED_BOOT    if EFI
 	select HAVE_DYNAMIC_FTRACE_NO_PATCHABLE
+	select ARCH_SUPPORTS_PT_RECLAIM		if X86_64
 
 config INSTRUCTION_DECODER
 	def_bool y