Commit 07d5798a authored by Huacai Chen's avatar Huacai Chen
Browse files

LoongArch: Select HAVE_CMPXCHG_LOCAL in Kconfig 



LoongArch has already implemented cmpxchg_local(), this_cpu_cmpxchg()
and similar functions, so select HAVE_CMPXCHG_LOCAL in Kconfig to avoid
incurring the overhead of local_irq_save()/local_irq_restore() for page
state helpers in mm/vmstat.c.

Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent 05f7e89a

arch/loongarch/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -130,6 +130,7 @@ config LOONGARCH 
	select HAVE_ARCH_TRANSPARENT_HUGEPAGE

	select HAVE_ARCH_USERFAULTFD_MINOR if USERFAULTFD

	select HAVE_ASM_MODVERSIONS

	select HAVE_CMPXCHG_LOCAL

	select HAVE_CONTEXT_TRACKING_USER

	select HAVE_C_RECORDMCOUNT

	select HAVE_DEBUG_KMEMLEAK