The patch titled
Subject: rcu: use %*pb[l] to print bitmaps including cpumasks and nodemasks
has been added to the -mm tree. Its filename is
rcu-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/rcu-use-%25pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/rcu-use-%25pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Tejun Heo <tj@xxxxxxxxxx>
Subject: rcu: use %*pb[l] to print bitmaps including cpumasks and nodemasks
printk and friends can now formap bitmaps using '%*pb[l]'. cpumask
and nodemask also provide cpumask_pr_args() and nodemask_pr_args()
respectively which can be used to generate the two printf arguments
necessary to format the specified cpu/nodemask.
This patch is dependent on the following two patches.
lib/vsprintf: implement bitmap printing through '%*pb[l]'
cpumask, nodemask: implement cpumask/nodemask_pr_args()
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/rcu/tree_plugin.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff -puN kernel/rcu/tree_plugin.h~rcu-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks kernel/rcu/tree_plugin.h
--- a/kernel/rcu/tree_plugin.h~rcu-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks
+++ a/kernel/rcu/tree_plugin.h
@@ -53,7 +53,6 @@ DEFINE_PER_CPU(char, rcu_cpu_has_work);
static cpumask_var_t rcu_nocb_mask; /* CPUs to have callbacks offloaded. */
static bool have_rcu_nocb_mask; /* Was rcu_nocb_mask allocated? */
static bool __read_mostly rcu_nocb_poll; /* Offload kthread are to poll. */
-static char __initdata nocb_buf[NR_CPUS * 5];
#endif /* #ifdef CONFIG_RCU_NOCB_CPU */
/*
@@ -2513,8 +2512,8 @@ void __init rcu_init_nohz(void)
cpumask_and(rcu_nocb_mask, cpu_possible_mask,
rcu_nocb_mask);
}
- cpulist_scnprintf(nocb_buf, sizeof(nocb_buf), rcu_nocb_mask);
- pr_info("\tOffload RCU callbacks from CPUs: %s.\n", nocb_buf);
+ pr_info("\tOffload RCU callbacks from CPUs: %*pbl.\n",
+ cpumask_pr_args(rcu_nocb_mask));
if (rcu_nocb_poll)
pr_info("\tPoll for callbacks from no-CBs CPUs.\n");
_
Patches currently in -mm which might be from tj@xxxxxxxxxx are
block-restore-proc-partitions-to-not-display-non-partitionable-removable-devices.patch
list_lru-introduce-list_lru_shrink_countwalk.patch
fs-consolidate-nrfree_cached_objects-args-in-shrink_control.patch
vmscan-per-memory-cgroup-slab-shrinkers.patch
memcg-rename-some-cache-id-related-variables.patch
memcg-add-rwsem-to-synchronize-against-memcg_caches-arrays-relocation.patch
list_lru-get-rid-of-active_nodes.patch
list_lru-organize-all-list_lrus-to-list.patch
list_lru-introduce-per-memcg-lists.patch
fs-make-shrinker-memcg-aware.patch
vmscan-force-scan-offline-memory-cgroups.patch
vmscan-force-scan-offline-memory-cgroups-fix.patch
oom-add-helpers-for-setting-and-clearing-tif_memdie.patch
oom-thaw-the-oom-victim-if-it-is-frozen.patch
pm-convert-printk-to-pr_-equivalent.patch
sysrq-convert-printk-to-pr_-equivalent.patch
oom-pm-make-oom-detection-in-the-freezer-path-raceless.patch
slab-embed-memcg_cache_params-to-kmem_cache.patch
slab-link-memcg-caches-of-the-same-kind-into-a-list.patch
cgroup-release-css-id-after-css_free.patch
slab-use-css-id-for-naming-per-memcg-caches.patch
memcg-free-memcg_caches-slot-on-css-offline.patch
list_lru-add-helpers-to-isolate-items.patch
memcg-reparent-list_lrus-and-free-kmemcg_id-on-css-offline.patch
fs-mpagec-forgotten-write_sync-in-case-of-data-integrity-write.patch
mm-util-add-kstrdup_const.patch
kernfs-convert-node-name-allocation-to-kstrdup_const.patch
kernfs-remove-kernfs_static_name.patch
clk-convert-clock-name-allocations-to-kstrdup_const.patch
mm-slab-convert-cache-name-allocations-to-kstrdup_const.patch
mm-slab-convert-cache-name-allocations-to-kstrdup_const-fix.patch
fs-namespace-convert-devname-allocation-to-kstrdup_const.patch
cpumask-always-use-nr_cpu_ids-in-formatting-and-parsing-functions.patch
lib-vsprintf-implement-bitmap-printing-through-%pb.patch
cpumask-nodemask-implement-cpumask-nodemask_pr_args.patch
bitmap-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
mips-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
powerpc-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
tile-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
x86-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
ia64-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
xtensa-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
arm-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
cpuset-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
rcu-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
sched-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
time-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
percpu-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
workqueue-use-%pb-to-format-bitmaps-including-cpumasks-and-nodemasks.patch
tracing-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
net-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
wireless-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
input-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
scsi-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
usb-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
drivers-base-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
slub-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
mm-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
padata-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
proc-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
irq-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
profile-use-%pb-to-print-bitmaps-including-cpumasks-and-nodemasks.patch
bitmap-cpumask-nodemask-remove-dedicated-formatting-functions.patch
linux-next.patch
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