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authorMel Gorman <mel@csn.ul.ie>2007-10-16 01:25:58 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:43:00 -0700
commitac0e5b7a6b93fb291b01fe1e951e3c16bcdd3503 (patch)
tree732f67c8de6e0d2e001b60c17af9599468b80163 /init/Kconfig
parent56fd56b868f19385c50af8941a4c78df433b2d32 (diff)
remove PAGE_GROUP_BY_MOBILITY
Grouping pages by mobility can be disabled at compile-time. This was considered undesirable by a number of people. However, in the current stack of patches, it is not a simple case of just dropping the configurable patch as it would cause merge conflicts. This patch backs out the configuration option. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Acked-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init/Kconfig')
-rw-r--r--init/Kconfig13
1 files changed, 0 insertions, 13 deletions
diff --git a/init/Kconfig b/init/Kconfig
index bab643f7717..54f31a191b8 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -607,19 +607,6 @@ config BASE_SMALL
default 0 if BASE_FULL
default 1 if !BASE_FULL
-config PAGE_GROUP_BY_MOBILITY
- bool "Group pages based on their mobility in the page allocator"
- def_bool y
- help
- The standard allocator will fragment memory over time which means
- that high order allocations will fail even if kswapd is running. If
- this option is set, the allocator will try and group page types
- based on their ability to migrate or reclaim. This is a best effort
- attempt at lowering fragmentation which a few workloads care about.
- The loss is a more complex allocator that may perform slower. If
- you are interested in working with large pages, say Y and set
- /proc/sys/vm/min_free_bytes to 16374. Otherwise say N
-
menuconfig MODULES
bool "Enable loadable module support"
help