The patch titled memcg: update menuconfig help text has been removed from the -mm tree. Its filename was memcg-update-menuconfig-help-text.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: memcg: update menuconfig help text From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> page_cgroup is now allocated at boot and memmap doesn't includes pointer for page_cgroup. Fix the menu help text. Reviewed-by: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> Signed-off-by: KAMEZAWA hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- init/Kconfig | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff -puN init/Kconfig~memcg-update-menuconfig-help-text init/Kconfig --- a/init/Kconfig~memcg-update-menuconfig-help-text +++ a/init/Kconfig @@ -401,16 +401,20 @@ config CGROUP_MEM_RES_CTLR depends on CGROUPS && RESOURCE_COUNTERS select MM_OWNER help - Provides a memory resource controller that manages both page cache and - RSS memory. + Provides a memory resource controller that manages both anonymous + memory and page cache. (See Documentation/controllers/memory.txt) Note that setting this option increases fixed memory overhead - associated with each page of memory in the system by 4/8 bytes - and also increases cache misses because struct page on many 64bit - systems will not fit into a single cache line anymore. + associated with each page of memory in the system. By this, + 20(40)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory + usage tracking struct at boot. Total amount of this is printed out + at boot. Only enable when you're ok with these trade offs and really - sure you need the memory resource controller. + sure you need the memory resource controller. Even when you enable + this, you can set "cgroup_disable=memory" at your boot option to + disable memory resource controller and you can avoid overheads. + (and lose benefits of memory resource contoller) This config option also selects MM_OWNER config option, which could in turn add some fork/exit overhead. _ Patches currently in -mm which might be from kamezawa.hiroyu@xxxxxxxxxxxxxx are cgroups-make-cgroup-config-a-submenu.patch memcg-introduce-charge-commit-cancel-style-of-functions.patch memcg-introduce-charge-commit-cancel-style-of-functions-fix.patch memcg-fix-gfp_mask-of-callers-of-charge.patch memcg-simple-migration-handling.patch memcg-do-not-recalculate-section-unnecessarily-in-init_section_page_cgroup.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html