diff options
| author |   Qi Zheng <zhengqi.arch@bytedance.com> | 2024-12-04 19:09:51 +0800 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2025-01-13 22:40:49 -0800 |
| commit | 4817f70c25b63ee5e6fd42d376700c058ae16a96 (patch) | |
| tree | eb285809ea846ea8cb3215aa664b670a8b3650f4 /arch | |
| parent | x86: mm: free page table pages by RCU instead of semi RCU (diff) | |
| download | wireguard-linux-4817f70c25b63ee5e6fd42d376700c058ae16a96.tar.xz wireguard-linux-4817f70c25b63ee5e6fd42d376700c058ae16a96.zip | |
x86: select ARCH_SUPPORTS_PT_RECLAIM if X86_64
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.
Link: https://lkml.kernel.org/r/841c1f35478d5354872d307888979c9e20de9c09.1733305182.git.zhengqi.arch@bytedance.com
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jann Horn <jannh@google.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Peter Xu <peterx@redhat.com>
Cc: Will Deacon <will@kernel.org>
Cc: Zach O'Keefe <zokeefe@google.com>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9d7bd0ae48c4..2e1a3e4386de 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -322,6 +322,7 @@ 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 |