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authorPavel Emelyanov <xemul@parallels.com>2011-01-13 04:00:46 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 19:03:18 +0300
commit6164281ab7a4d3bd42588d6b25984e960a2e032f (patch)
treeea4bf309efed7ec922431c6e5b5d659919eaf2ae /drivers/Makefile
parente020e742e5dbd8c44d31706995dc13ddc732e274 (diff)
downloadlinux-6164281ab7a4d3bd42588d6b25984e960a2e032f.tar.xz
user_ns: improve the user_ns on-the-slab packaging
Currently on 64-bit arch the user_namespace is 2096 and when being kmalloc-ed it resides on a 4k slab wasting 2003 bytes. If we allocate a separate cache for it and reduce the hash size from 128 to 64 chains the packaging becomes *much* better - the struct is 1072 bytes and the hole between is 98 bytes. [akpm@linux-foundation.org: s/__initcall/module_init/] Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Serge E. Hallyn <serge@hallyn.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/Makefile')
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