diff options
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 44 |
1 files changed, 12 insertions, 32 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index ffc3a2ba3a8c..b1448aa81e15 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -45,22 +45,6 @@ config ZSWAP_DEFAULT_ON The selection made here can be overridden by using the kernel command line 'zswap.enabled=' option. -config ZSWAP_EXCLUSIVE_LOADS_DEFAULT_ON - bool "Invalidate zswap entries when pages are loaded" - depends on ZSWAP - help - If selected, exclusive loads for zswap will be enabled at boot, - otherwise it will be disabled. - - If exclusive loads are enabled, when a page is loaded from zswap, - the zswap entry is invalidated at once, as opposed to leaving it - in zswap until the swap entry is freed. - - This avoids having two copies of the same page in memory - (compressed and uncompressed) after faulting in a page from zswap. - The cost is that if the page was never dirtied and needs to be - swapped out again, it will be re-compressed. - config ZSWAP_SHRINKER_DEFAULT_ON bool "Shrink the zswap pool on memory pressure" depends on ZSWAP @@ -599,7 +583,7 @@ config MEMORY_BALLOON # support for memory balloon compaction config BALLOON_COMPACTION bool "Allow for balloon memory compaction/migration" - def_bool y + default y depends on COMPACTION && MEMORY_BALLOON help Memory fragmentation introduced by ballooning might reduce @@ -614,7 +598,7 @@ config BALLOON_COMPACTION # support for memory compaction config COMPACTION bool "Allow for memory compaction" - def_bool y + default y select MIGRATION depends on MMU help @@ -637,7 +621,6 @@ config COMPACT_UNEVICTABLE_DEFAULT # support for free page reporting config PAGE_REPORTING bool "Free page reporting" - def_bool n help Free page reporting allows for the incremental acquisition of free pages from the buddy allocator for the purpose of reporting @@ -649,7 +632,7 @@ config PAGE_REPORTING # config MIGRATION bool "Page migration" - def_bool y + default y depends on (NUMA || ARCH_ENABLE_MEMORY_HOTREMOVE || COMPACTION || CMA) && MMU help Allows the migration of the physical location of pages of processes @@ -901,15 +884,6 @@ config CMA If unsure, say "n". -config CMA_DEBUG - bool "CMA debug messages (DEVELOPMENT)" - depends on DEBUG_KERNEL && CMA - help - Turns on debug messages in CMA. This produces KERN_DEBUG - messages for every CMA call as well as various messages while - processing calls such as dma_alloc_from_contiguous(). - This option does not affect warning and error messages. - config CMA_DEBUGFS bool "CMA debugfs interface" depends on CMA && DEBUG_FS @@ -926,14 +900,14 @@ config CMA_SYSFS config CMA_AREAS int "Maximum count of the CMA areas" depends on CMA - default 19 if NUMA - default 7 + default 20 if NUMA + default 8 help CMA allows to create CMA areas for particular purpose, mainly, used as device private area. This parameter sets the maximum number of CMA area in the system. - If unsure, leave the default value "7" in UMA and "19" in NUMA. + If unsure, leave the default value "8" in UMA and "20" in NUMA. config MEM_SOFT_DIRTY bool "Track memory changes" @@ -998,6 +972,12 @@ config IDLE_PAGE_TRACKING See Documentation/admin-guide/mm/idle_page_tracking.rst for more details. +# Architectures which implement cpu_dcache_is_aliasing() to query +# whether the data caches are aliased (VIVT or VIPT with dcache +# aliasing) need to select this. +config ARCH_HAS_CPU_CACHE_ALIASING + bool + config ARCH_HAS_CACHE_LINE_SIZE bool |