The patch titled
Subject: PM: convert printk to pr_* equivalent
has been added to the -mm tree. Its filename is
pm-convert-printk-to-pr_-equivalent.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/pm-convert-printk-to-pr_-equivalent.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/pm-convert-printk-to-pr_-equivalent.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
there every 3-4 working days
------------------------------------------------------
From: Michal Hocko <mhocko@xxxxxxx>
Subject: PM: convert printk to pr_* equivalent
While touching this area let's convert printk to pr_*. This also makes
the printing of continuation lines done properly.
Signed-off-by: Michal Hocko <mhocko@xxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/power/process.c | 29 +++++++++++++++--------------
1 file changed, 15 insertions(+), 14 deletions(-)
diff -puN kernel/power/process.c~pm-convert-printk-to-pr_-equivalent kernel/power/process.c
--- a/kernel/power/process.c~pm-convert-printk-to-pr_-equivalent
+++ a/kernel/power/process.c
@@ -84,8 +84,8 @@ static int try_to_freeze_tasks(bool user
elapsed_msecs = elapsed_msecs64;
if (todo) {
- printk("\n");
- printk(KERN_ERR "Freezing of tasks %s after %d.%03d seconds "
+ pr_cont("\n");
+ pr_err("Freezing of tasks %s after %d.%03d seconds "
"(%d tasks refusing to freeze, wq_busy=%d):\n",
wakeup ? "aborted" : "failed",
elapsed_msecs / 1000, elapsed_msecs % 1000,
@@ -101,7 +101,7 @@ static int try_to_freeze_tasks(bool user
read_unlock(&tasklist_lock);
}
} else {
- printk("(elapsed %d.%03d seconds) ", elapsed_msecs / 1000,
+ pr_cont("(elapsed %d.%03d seconds) ", elapsed_msecs / 1000,
elapsed_msecs % 1000);
}
@@ -155,7 +155,7 @@ int freeze_processes(void)
atomic_inc(&system_freezing_cnt);
pm_wakeup_clear();
- printk("Freezing user space processes ... ");
+ pr_info("Freezing user space processes ... ");
pm_freezing = true;
oom_kills_saved = oom_kills_count();
error = try_to_freeze_tasks(true);
@@ -171,13 +171,13 @@ int freeze_processes(void)
if (oom_kills_count() != oom_kills_saved &&
!check_frozen_processes()) {
__usermodehelper_set_disable_depth(UMH_ENABLED);
- printk("OOM in progress.");
+ pr_cont("OOM in progress.");
error = -EBUSY;
} else {
- printk("done.");
+ pr_cont("done.");
}
}
- printk("\n");
+ pr_cont("\n");
BUG_ON(in_atomic());
if (error)
@@ -197,13 +197,14 @@ int freeze_kernel_threads(void)
{
int error;
- printk("Freezing remaining freezable tasks ... ");
+ pr_info("Freezing remaining freezable tasks ... ");
+
pm_nosig_freezing = true;
error = try_to_freeze_tasks(false);
if (!error)
- printk("done.");
+ pr_cont("done.");
- printk("\n");
+ pr_cont("\n");
BUG_ON(in_atomic());
if (error)
@@ -224,7 +225,7 @@ void thaw_processes(void)
oom_killer_enable();
- printk("Restarting tasks ... ");
+ pr_info("Restarting tasks ... ");
__usermodehelper_set_disable_depth(UMH_FREEZING);
thaw_workqueues();
@@ -243,7 +244,7 @@ void thaw_processes(void)
usermodehelper_enable();
schedule();
- printk("done.\n");
+ pr_cont("done.\n");
trace_suspend_resume(TPS("thaw_processes"), 0, false);
}
@@ -252,7 +253,7 @@ void thaw_kernel_threads(void)
struct task_struct *g, *p;
pm_nosig_freezing = false;
- printk("Restarting kernel threads ... ");
+ pr_info("Restarting kernel threads ... ");
thaw_workqueues();
@@ -264,5 +265,5 @@ void thaw_kernel_threads(void)
read_unlock(&tasklist_lock);
schedule();
- printk("done.\n");
+ pr_cont("done.\n");
}
_
Patches currently in -mm which might be from mhocko@xxxxxxx are
mm-page_alloc-embed-oom-killing-naturally-into-allocation-slowpath.patch
memcg-zap-__memcg_chargeuncharge_slab.patch
memcg-zap-memcg_name-argument-of-memcg_create_kmem_cache.patch
memcg-zap-memcg_slab_caches-and-memcg_slab_mutex.patch
oom-dont-count-on-mm-less-current-process.patch
oom-make-sure-that-tif_memdie-is-set-under-task_lock.patch
swap-remove-unused-mem_cgroup_uncharge_swapcache-declaration.patch
mm-memcontrol-track-move_lock-state-internally.patch
mm-vmscan-wake-up-all-pfmemalloc-throttled-processes-at-once.patch
mm-hugetlb-reduce-arch-dependent-code-around-follow_huge_.patch
mm-hugetlb-pmd_huge-returns-true-for-non-present-hugepage.patch
mm-hugetlb-take-page-table-lock-in-follow_huge_pmd.patch
mm-hugetlb-fix-getting-refcount-0-page-in-hugetlb_fault.patch
mm-hugetlb-add-migration-hwpoisoned-entry-check-in-hugetlb_change_protection.patch
mm-hugetlb-add-migration-entry-check-in-__unmap_hugepage_range.patch
mm-hugetlb-fix-suboptimal-migration-hwpoisoned-entry-check.patch
mm-hugetlb-cleanup-and-rename-is_hugetlb_entry_migrationhwpoisoned.patch
mm-set-page-pfmemalloc-in-prep_new_page.patch
mm-page_alloc-reduce-number-of-alloc_pages-functions-parameters.patch
mm-reduce-try_to_compact_pages-parameters.patch
mm-microoptimize-zonelist-operations.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
vmscan-per-memory-cgroup-slab-shrinkers-fix.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
memcg-add-build_bug_on-for-string-tables.patch
mm-page_counter-pull-1-handling-out-of-page_counter_memparse.patch
mm-memcontrol-default-hierarchy-interface-for-memory.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
mm-page_isolation-check-pfn-validity-before-access.patch
mm-support-madvisemadv_free.patch
mm-dont-split-thp-page-when-syscall-is-called.patch
mm-dont-split-thp-page-when-syscall-is-called-fix-2.patch
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