Messages in this thread Patch in this message | | | Date | Wed, 1 Oct 2014 13:50:55 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: ksm use pr_err instead of printk |
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On Wed, 1 Oct 2014 21:35:30 +0100 Paul McQuade <paulmcquad@gmail.com> wrote:
> WARNING: Prefer: pr_err(... to printk(KERN_ERR ... > > Signed-off-by: Paul McQuade <paulmcquad@gmail.com> > --- > mm/ksm.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/ksm.c b/mm/ksm.c > index fb75902..79a26b4 100644 > --- a/mm/ksm.c > +++ b/mm/ksm.c > @@ -2310,7 +2310,7 @@ static int __init ksm_init(void) > > ksm_thread = kthread_run(ksm_scan_thread, NULL, "ksmd"); > if (IS_ERR(ksm_thread)) { > - printk(KERN_ERR "ksm: creating kthread failed\n"); > + pr_err(KERN_ERR "ksm: creating kthread failed\n"); > err = PTR_ERR(ksm_thread); > goto out_free; > } > @@ -2318,7 +2318,7 @@ static int __init ksm_init(void) > #ifdef CONFIG_SYSFS > err = sysfs_create_group(mm_kobj, &ksm_attr_group); > if (err) { > - printk(KERN_ERR "ksm: register sysfs failed\n"); > + pr_err(KERN_ERR "ksm: register sysfs failed\n"); > kthread_stop(ksm_thread); > goto out_free; > }
err,
--- a/mm/ksm.c~mm-ksm-use-pr_err-instead-of-printk-fix +++ a/mm/ksm.c @@ -2310,7 +2310,7 @@ static int __init ksm_init(void) ksm_thread = kthread_run(ksm_scan_thread, NULL, "ksmd"); if (IS_ERR(ksm_thread)) { - pr_err(KERN_ERR "ksm: creating kthread failed\n"); + pr_err("ksm: creating kthread failed\n"); err = PTR_ERR(ksm_thread); goto out_free; } @@ -2318,7 +2318,7 @@ static int __init ksm_init(void) #ifdef CONFIG_SYSFS err = sysfs_create_group(mm_kobj, &ksm_attr_group); if (err) { - pr_err(KERN_ERR "ksm: register sysfs failed\n"); + pr_err("ksm: register sysfs failed\n"); kthread_stop(ksm_thread); goto out_free; }
A quick grep indicates that we have the same mistake in tens of places. checkpatch rule, please?
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