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Diffstat (limited to 'drivers/staging/zcache/Kconfig')
-rw-r--r-- | drivers/staging/zcache/Kconfig | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/staging/zcache/Kconfig b/drivers/staging/zcache/Kconfig index 73582705e8c5..2d7b2da3b9e0 100644 --- a/drivers/staging/zcache/Kconfig +++ b/drivers/staging/zcache/Kconfig @@ -1,5 +1,5 @@ config ZCACHE - bool "Dynamic compression of swap pages and clean pagecache pages" + tristate "Dynamic compression of swap pages and clean pagecache pages" depends on CRYPTO=y && SWAP=y && CLEANCACHE && FRONTSWAP select CRYPTO_LZO default n @@ -10,12 +10,20 @@ config ZCACHE memory to store clean page cache pages and swap in RAM, providing a noticeable reduction in disk I/O. +config ZCACHE_DEBUG + bool "Enable debug statistics" + depends on DEBUG_FS && ZCACHE + default n + help + This is used to provide an debugfs directory with counters of + how zcache is doing. You probably want to set this to 'N'. + config RAMSTER - bool "Cross-machine RAM capacity sharing, aka peer-to-peer tmem" - depends on CONFIGFS_FS=y && SYSFS=y && !HIGHMEM && ZCACHE=y + tristate "Cross-machine RAM capacity sharing, aka peer-to-peer tmem" + depends on CONFIGFS_FS=y && SYSFS=y && !HIGHMEM && ZCACHE depends on NET # must ensure struct page is 8-byte aligned - select HAVE_ALIGNED_STRUCT_PAGE if !64_BIT + select HAVE_ALIGNED_STRUCT_PAGE if !64BIT default n help RAMster allows RAM on other machines in a cluster to be utilized @@ -25,6 +33,14 @@ config RAMSTER zcache2, compresses swap pages into local RAM, but then remotifies the compressed pages to another node in the RAMster cluster. +config RAMSTER_DEBUG + bool "Enable ramster debug statistics" + depends on DEBUG_FS && RAMSTER + default n + help + This is used to provide an debugfs directory with counters of + how ramster is doing. You probably want to set this to 'N'. + # Depends on not-yet-upstreamed mm patches to export end_swap_bio_write and # __add_to_swap_cache, and implement __swap_writepage (which is swap_writepage # without the frontswap call. When these are in-tree, the dependency on |