diff --git a/mm/Kconfig b/mm/Kconfig index 969286ab14a1b..6ee3b48ed2981 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -1211,6 +1211,18 @@ config LRU_GEN_STATS This option has a per-memcg and per-node memory overhead. # } +config ARCH_SUPPORTS_PER_VMA_LOCK + def_bool n + +config PER_VMA_LOCK + def_bool y + depends on ARCH_SUPPORTS_PER_VMA_LOCK && MMU && SMP + help + Allow per-vma locking during page fault handling. + + This feature allows locking each virtual memory area separately when + handling page faults instead of taking mmap_lock. + source "mm/damon/Kconfig" endmenu