Hello Yu! On Fri, Mar 21, 2014 at 03:50:31PM -0700, Yu Zhao wrote: > This series of patches adds support to configure a cgroup to swap to a > particular file by using control file memory.swapfile. > > A value of "default" in memory.swapfile indicates that this cgroup should > use the default, system-wide, swap files. A value of "none" indicates that > this cgroup should never swap. Other values are interpreted as the path > to a private swap file that can only be used by the owner (and its children). > > The swap file has to be created and swapon() has to be done on it with > SWAP_FLAG_PRIVATE, before it can be used. This flag ensures that the swap > file is private and does not get used by others. > > Jamie Liu (1): > swap: do not store private swap files on swap_list > > Suleiman Souhlal (2): > mm/swap: support per memory cgroup swapfiles > swap: Increase the maximum number of swap files to 8192. > > Documentation/cgroups/memory.txt | 15 ++ > arch/x86/include/asm/pgtable_64.h | 63 ++++++-- > include/linux/memcontrol.h | 2 + > include/linux/swap.h | 45 +++--- > mm/memcontrol.c | 76 ++++++++++ > mm/memory.c | 3 +- > mm/shmem.c | 2 +- > mm/swap_state.c | 2 +- > mm/swapfile.c | 307 +++++++++++++++++++++++++++++++------- > mm/vmscan.c | 2 +- > 10 files changed, 423 insertions(+), 94 deletions(-) For feature patches like this, please include a rationale. What is this functionality good for, and who is going to use this? -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
