The patch titled ] memcgroup: return negative error code in mem_cgroup_create() has been added to the -mm tree. Its filename is memcgroup-return-negative-error-code-in-mem_cgroup_create.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: ] memcgroup: return negative error code in mem_cgroup_create() From: Li Zefan <lizf@xxxxxxxxxxxxxx> Cgroup requires the subsystem to return negative error code on error in the create method. Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> Acked-by: Balbir Singh <balbir@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memcontrol.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff -puN mm/memcontrol.c~memcgroup-return-negative-error-code-in-mem_cgroup_create mm/memcontrol.c --- a/mm/memcontrol.c~memcgroup-return-negative-error-code-in-mem_cgroup_create +++ a/mm/memcontrol.c @@ -1100,7 +1100,7 @@ mem_cgroup_create(struct cgroup_subsys * mem = kzalloc(sizeof(struct mem_cgroup), GFP_KERNEL); if (mem == NULL) - return NULL; + return ERR_PTR(-ENOMEM); res_counter_init(&mem->res); @@ -1116,7 +1116,7 @@ free_out: free_mem_cgroup_per_zone_info(mem, node); if (cont->parent != NULL) kfree(mem); - return NULL; + return ERR_PTR(-ENOMEM); } static void mem_cgroup_pre_destroy(struct cgroup_subsys *ss, _ Patches currently in -mm which might be from lizf@xxxxxxxxxxxxxx are cgroup-fix-and-update-documentation.patch cgroup-fix-comments.patch cgroup-clean-up-cgrouph.patch cgroup-fix-memory-leak-in-cgroup_get_sb.patch cgroup-fix-subsys-bitops.patch cgroup-remove-duplicate-code-in-find_css_set.patch cgroup-remove-dead-code-in-cgroup_get_rootdir.patch memcgroup-fix-and-update-documentation.patch memcgroup-remove-a-useless-vm_bug_on.patch memcgroup-return-negative-error-code-in-mem_cgroup_create.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