diff options
| author | Kinsey Ho <kinseyho@google.com> | 2023-12-27 14:12:02 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-01-05 10:17:44 -0800 |
| commit | 61dd3f246b3adaabff3241c586f2210ac91b05a4 (patch) | |
| tree | fc42e80cc23c1e05d514256dc1cc4c3cf4791817 /mm/Kconfig | |
| parent | 71ce1ab54a505736786d9c5921e6c2718c7ec535 (diff) | |
mm/mglru: add CONFIG_LRU_GEN_WALKS_MMU
Add CONFIG_LRU_GEN_WALKS_MMU such that if disabled, the code that
walks page tables to promote pages into the youngest generation will
not be built.
Also improves code readability by adding two helper functions
get_mm_state() and get_next_mm().
Link: https://lkml.kernel.org/r/20231227141205.2200125-3-kinseyho@google.com
Signed-off-by: Kinsey Ho <kinseyho@google.com>
Co-developed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Tested-by: Donet Tom <donettom@linux.vnet.ibm.com>
Acked-by: Yu Zhao <yuzhao@google.com>
Cc: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index b072664b889a..79d563d8f9e0 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -1274,6 +1274,10 @@ config LRU_GEN_STATS from evicted generations for debugging purpose. This option has a per-memcg and per-node memory overhead. + +config LRU_GEN_WALKS_MMU + def_bool y + depends on LRU_GEN && ARCH_HAS_HW_PTE_YOUNG # } config ARCH_SUPPORTS_PER_VMA_LOCK |