The patch titled CGroup API files: use read_u64 in memory controller has been added to the -mm tree. Its filename is cgroup-api-files-use-read_u64-in-memory-controller.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: CGroup API files: use read_u64 in memory controller From: Paul Menage <menage@xxxxxxxxxx> Update the memory controller to use read_u64 for its limit/usage/failcnt control files, calling the new res_counter_read_u64() function. Signed-off-by: Paul Menage <menage@xxxxxxxxxx> Cc: "Li Zefan" <lizf@xxxxxxxxxxxxxx> Cc: Balbir Singh <balbir@xxxxxxxxxx> Cc: Paul Jackson <pj@xxxxxxx> Cc: Pavel Emelyanov <xemul@xxxxxxxxxx> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> Cc: "YAMAMOTO Takashi" <yamamoto@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memcontrol.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff -puN mm/memcontrol.c~cgroup-api-files-use-read_u64-in-memory-controller mm/memcontrol.c --- a/mm/memcontrol.c~cgroup-api-files-use-read_u64-in-memory-controller +++ a/mm/memcontrol.c @@ -921,13 +921,10 @@ int mem_cgroup_write_strategy(char *buf, return 0; } -static ssize_t mem_cgroup_read(struct cgroup *cont, - struct cftype *cft, struct file *file, - char __user *userbuf, size_t nbytes, loff_t *ppos) +static u64 mem_cgroup_read(struct cgroup *cont, struct cftype *cft) { - return res_counter_read(&mem_cgroup_from_cont(cont)->res, - cft->private, userbuf, nbytes, ppos, - NULL); + return res_counter_read_u64(&mem_cgroup_from_cont(cont)->res, + cft->private); } static ssize_t mem_cgroup_write(struct cgroup *cont, struct cftype *cft, @@ -1023,18 +1020,18 @@ static struct cftype mem_cgroup_files[] { .name = "usage_in_bytes", .private = RES_USAGE, - .read = mem_cgroup_read, + .read_u64 = mem_cgroup_read, }, { .name = "limit_in_bytes", .private = RES_LIMIT, .write = mem_cgroup_write, - .read = mem_cgroup_read, + .read_u64 = mem_cgroup_read, }, { .name = "failcnt", .private = RES_FAILCNT, - .read = mem_cgroup_read, + .read_u64 = mem_cgroup_read, }, { .name = "force_empty", _ Patches currently in -mm which might be from menage@xxxxxxxxxx are cgroup-fix-default-notify_on_release-setting.patch memory-resource-controller-use-strstrip-while-parsing-arguments.patch memory-controller-rename-to-memory-resource-controller.patch make-cgroup_enable_task_cg_lists-static.patch cgroup-fix-sparse-warning-of-shadow-symbol-in-cgroupc.patch cgroup-api-files-rename-read-write_uint-methods-to-read_write_u64.patch cgroup-api-files-add-res_counter_read_u64.patch cgroup-api-files-use-read_u64-in-memory-controller.patch cgroup-api-files-strip-all-trailing-whitespace-in-cgroup_write_u64.patch cgroup-api-files-update-cpusets-to-use-cgroup-structured-file-api.patch cgroup-api-files-add-cgroup-map-data-type.patch cgroup-api-files-use-cgroup-map-for-memcontrol-stats-file.patch cgroup-api-files-drop-mem_cgroup_force_empty.patch cgroup-api-files-move-releasable-to-cgroup_debug-subsystem.patch cgroup-api-files-make-cgroup_debug-default-to-off.patch add-a-refcount-check-in-dput.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