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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
| commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
| tree | 76267dbc9b9a130337be3640948fe397b04ac629 /mm/Kconfig | |
| parent | Adding upstream version 6.6.15. (diff) | |
| download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip | |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 264a2df5e..57cd378c7 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -130,6 +130,7 @@ config ZSWAP_COMPRESSOR_DEFAULT choice prompt "Default allocator" depends on ZSWAP + default ZSWAP_ZPOOL_DEFAULT_ZSMALLOC if MMU default ZSWAP_ZPOOL_DEFAULT_ZBUD help Selects the default allocator for the compressed cache for @@ -704,6 +705,17 @@ config HUGETLB_PAGE_SIZE_VARIABLE config CONTIG_ALLOC def_bool (MEMORY_ISOLATION && COMPACTION) || CMA +config PCP_BATCH_SCALE_MAX + int "Maximum scale factor of PCP (Per-CPU pageset) batch allocate/free" + default 5 + range 0 6 + help + In page allocator, PCP (Per-CPU pageset) is refilled and drained in + batches. The batch number is scaled automatically to improve page + allocation/free throughput. But too large scale factor may hurt + latency. This option sets the upper limit of scale factor to limit + the maximum latency. + config PHYS_ADDR_T_64BIT def_bool 64BIT @@ -1189,13 +1201,6 @@ config ANON_VMA_NAME area from being merged with adjacent virtual memory areas due to the difference in their name. -config USERFAULTFD - bool "Enable userfaultfd() system call" - depends on MMU - help - Enable the userfaultfd() system call that allows to intercept and - handle page faults in userland. - config HAVE_ARCH_USERFAULTFD_WP bool help @@ -1206,6 +1211,14 @@ config HAVE_ARCH_USERFAULTFD_MINOR help Arch has userfaultfd minor fault support +menuconfig USERFAULTFD + bool "Enable userfaultfd() system call" + depends on MMU + help + Enable the userfaultfd() system call that allows to intercept and + handle page faults in userland. + +if USERFAULTFD config PTE_MARKER_UFFD_WP bool "Userfaultfd write protection support for shmem/hugetlbfs" default y @@ -1215,6 +1228,7 @@ config PTE_MARKER_UFFD_WP Allows to create marker PTEs for userfaultfd write protection purposes. It is required to enable userfaultfd write protection on file-backed memory types like shmem and hugetlbfs. +endif # USERFAULTFD # multi-gen LRU { config LRU_GEN |