linux-kernel - Re: [PATCH RFC v3 05/35] mm: cma: Don't append newline when generating CMA area name

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Message-ID: <ZbeQI-sMvJMLw7g7@raptor>
Date: Mon, 29 Jan 2024 11:46:43 +0000
From: Alexandru Elisei <alexandru.elisei@....com>
To: Anshuman Khandual <anshuman.khandual@....com>
Cc: catalin.marinas@....com, will@...nel.org, oliver.upton@...ux.dev,
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Subject: Re: [PATCH RFC v3 05/35] mm: cma: Don't append newline when
 generating CMA area name

Hi,

On Mon, Jan 29, 2024 at 02:43:08PM +0530, Anshuman Khandual wrote:
> 
> On 1/25/24 22:12, Alexandru Elisei wrote:
> > cma->name is displayed in several CMA messages. When the name is generated
> > by the CMA code, don't append a newline to avoid breaking the text across
> > two lines.
> 
> An example of such mis-formatted CMA output from dmesg could be added
> here in the commit message to demonstrate the problem better.
> 
> > 
> > Signed-off-by: Alexandru Elisei <alexandru.elisei@....com>
> > ---
> 
> Regardless, LGTM.
> 
> Reviewed-by: Anshuman Khandual <anshuman.khandual@....com>

Thanks!

> 
> > 
> > Changes since rfc v2:
> > 
> > * New patch. This is a fix, and can be merged independently of the other
> > patches.
> 
> Right, need not be part of this series. Hence please send it separately to
> the MM list.

Will do!

Alex

> 
> > 
> >  mm/cma.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/mm/cma.c b/mm/cma.c
> > index 7c09c47e530b..f49c95f8ee37 100644
> > --- a/mm/cma.c
> > +++ b/mm/cma.c
> > @@ -204,7 +204,7 @@ int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size,
> >  	if (name)
> >  		snprintf(cma->name, CMA_MAX_NAME, name);
> >  	else
> > -		snprintf(cma->name, CMA_MAX_NAME,  "cma%d\n", cma_area_count);
> > +		snprintf(cma->name, CMA_MAX_NAME,  "cma%d", cma_area_count);
> >  
> >  	cma->base_pfn = PFN_DOWN(base);
> >  	cma->count = size >> PAGE_SHIFT;