The patch titled Subject: mm: memcg: rename charge move-related functions has been added to the -mm mm-unstable branch. Its filename is mm-memcg-rename-charge-move-related-functions.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memcg-rename-charge-move-related-functions.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Roman Gushchin <roman.gushchin@xxxxxxxxx> Subject: mm: memcg: rename charge move-related functions Date: Mon, 24 Jun 2024 17:58:57 -0700 Rename exported function related to the charge move to have the memcg1_ prefix. Link: https://lkml.kernel.org/r/20240625005906.106920-6-roman.gushchin@xxxxxxxxx Signed-off-by: Roman Gushchin <roman.gushchin@xxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> Acked-by: Shakeel Butt <shakeel.butt@xxxxxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Cc: Muchun Song <muchun.song@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memcontrol-v1.c | 14 +++++++------- mm/memcontrol-v1.h | 8 ++++---- mm/memcontrol.c | 8 ++++---- 3 files changed, 15 insertions(+), 15 deletions(-) --- a/mm/memcontrol.c~mm-memcg-rename-charge-move-related-functions +++ a/mm/memcontrol.c @@ -2580,7 +2580,7 @@ retry: * At task move, charge accounts can be doubly counted. So, it's * better to wait until the end of task_move if something is going on. */ - if (mem_cgroup_wait_acct_move(mem_over_limit)) + if (memcg1_wait_acct_move(mem_over_limit)) goto retry; if (nr_retries--) @@ -5995,12 +5995,12 @@ struct cgroup_subsys memory_cgrp_subsys .css_free = mem_cgroup_css_free, .css_reset = mem_cgroup_css_reset, .css_rstat_flush = mem_cgroup_css_rstat_flush, - .can_attach = mem_cgroup_can_attach, + .can_attach = memcg1_can_attach, #if defined(CONFIG_LRU_GEN) || defined(CONFIG_MEMCG_KMEM) .attach = mem_cgroup_attach, #endif - .cancel_attach = mem_cgroup_cancel_attach, - .post_attach = mem_cgroup_move_task, + .cancel_attach = memcg1_cancel_attach, + .post_attach = memcg1_move_task, #ifdef CONFIG_MEMCG_KMEM .fork = mem_cgroup_fork, .exit = mem_cgroup_exit, --- a/mm/memcontrol-v1.c~mm-memcg-rename-charge-move-related-functions +++ a/mm/memcontrol-v1.c @@ -384,7 +384,7 @@ unlock: return ret; } -bool mem_cgroup_wait_acct_move(struct mem_cgroup *memcg) +bool memcg1_wait_acct_move(struct mem_cgroup *memcg) { if (mc.moving_task && current != mc.moving_task) { if (mem_cgroup_under_move(memcg)) { @@ -1056,7 +1056,7 @@ static void mem_cgroup_clear_mc(void) mmput(mm); } -int mem_cgroup_can_attach(struct cgroup_taskset *tset) +int memcg1_can_attach(struct cgroup_taskset *tset) { struct cgroup_subsys_state *css; struct mem_cgroup *memcg = NULL; /* unneeded init to make gcc happy */ @@ -1126,7 +1126,7 @@ int mem_cgroup_can_attach(struct cgroup_ return ret; } -void mem_cgroup_cancel_attach(struct cgroup_taskset *tset) +void memcg1_cancel_attach(struct cgroup_taskset *tset) { if (mc.to) mem_cgroup_clear_mc(); @@ -1285,7 +1285,7 @@ retry: atomic_dec(&mc.from->moving_account); } -void mem_cgroup_move_task(void) +void memcg1_move_task(void) { if (mc.to) { mem_cgroup_move_charge(); @@ -1294,14 +1294,14 @@ void mem_cgroup_move_task(void) } #else /* !CONFIG_MMU */ -static int mem_cgroup_can_attach(struct cgroup_taskset *tset) +int memcg1_can_attach(struct cgroup_taskset *tset) { return 0; } -static void mem_cgroup_cancel_attach(struct cgroup_taskset *tset) +void memcg1_cancel_attach(struct cgroup_taskset *tset) { } -static void mem_cgroup_move_task(void) +void memcg1_move_task(void) { } #endif --- a/mm/memcontrol-v1.h~mm-memcg-rename-charge-move-related-functions +++ a/mm/memcontrol-v1.h @@ -29,11 +29,11 @@ static inline int try_charge(struct mem_ void mem_cgroup_id_get_many(struct mem_cgroup *memcg, unsigned int n); void mem_cgroup_id_put_many(struct mem_cgroup *memcg, unsigned int n); -bool mem_cgroup_wait_acct_move(struct mem_cgroup *memcg); +bool memcg1_wait_acct_move(struct mem_cgroup *memcg); struct cgroup_taskset; -int mem_cgroup_can_attach(struct cgroup_taskset *tset); -void mem_cgroup_cancel_attach(struct cgroup_taskset *tset); -void mem_cgroup_move_task(void); +int memcg1_can_attach(struct cgroup_taskset *tset); +void memcg1_cancel_attach(struct cgroup_taskset *tset); +void memcg1_move_task(void); struct cftype; u64 mem_cgroup_move_charge_read(struct cgroup_subsys_state *css, _ Patches currently in -mm which might be from roman.gushchin@xxxxxxxxx are mm-memcg-introduce-memcontrol-v1c.patch mm-memcg-move-soft-limit-reclaim-code-to-memcontrol-v1c.patch mm-memcg-rename-soft-limit-reclaim-related-functions.patch mm-memcg-move-charge-migration-code-to-memcontrol-v1c.patch mm-memcg-rename-charge-move-related-functions.patch mm-memcg-move-legacy-memcg-event-code-into-memcontrol-v1c.patch mm-memcg-rename-memcg_check_events.patch mm-memcg-move-cgroup-v1-oom-handling-code-into-memcontrol-v1c.patch mm-memcg-rename-memcg_oom_recover.patch mm-memcg-move-cgroup-v1-interface-files-to-memcontrol-v1c.patch mm-memcg-make-memcg1_update_tree-static.patch mm-memcg-group-cgroup-v1-memcg-related-declarations.patch mm-memcg-put-cgroup-v1-related-members-of-task_struct-under-config-option.patch maintainers-add-mm-memcontrol-v1c-h-to-the-list-of-maintained-files.patch