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authorSuren Baghdasaryan <surenb@google.com>2023-02-27 20:36:28 +0300
committerAndrew Morton <akpm@linux-foundation.org>2023-04-06 06:03:01 +0300
commit0bff0aaea03e2a3ed6bfa302155cca8a432a1829 (patch)
treed686c2cd745e2a8ed09c59031f1d1e27cdb806bf /arch/x86/Kconfig
parent52f238653e452e0fda61e880f263a173d219acd1 (diff)
downloadlinux-0bff0aaea03e2a3ed6bfa302155cca8a432a1829.tar.xz
x86/mm: try VMA lock-based page fault handling first
Attempt VMA lock-based page fault handling first, and fall back to the existing mmap_lock-based handling if that fails. Link: https://lkml.kernel.org/r/20230227173632.3292573-30-surenb@google.com Signed-off-by: Suren Baghdasaryan <surenb@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a825bf031f49..df21fba77db1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -27,6 +27,7 @@ config X86_64
# Options that are inherently 64-bit kernel only:
select ARCH_HAS_GIGANTIC_PAGE
select ARCH_SUPPORTS_INT128 if CC_HAS_INT128
+ select ARCH_SUPPORTS_PER_VMA_LOCK
select ARCH_USE_CMPXCHG_LOCKREF
select HAVE_ARCH_SOFT_DIRTY
select MODULES_USE_ELF_RELA