Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Feb 24, 2015 at 02:45:37PM -0800, Danesh Petigara wrote:
> On 2/24/2015 2:22 PM, Greg KH wrote:
> > On Tue, Feb 24, 2015 at 02:17:46PM -0800, Danesh Petigara wrote:
> >> The CMA aligned offset calculation is incorrect for
> >> non-zero order_per_bit values.
> >>
> >> For example, if cma->order_per_bit=1, cma->base_pfn=
> >> 0x2f800000 and align_order=12, the function returns
> >> a value of 0x17c00 instead of 0x400.
> >>
> >> This patch fixes the CMA aligned offset calculation.
> >>
> >> Cc: stable@xxxxxxxxxxxxxxx
> >> Signed-off-by: Danesh Petigara <dpetigara@xxxxxxxxxxxx>
> >> Reviewed-by: Gregory Fong <gregory.0xf0@xxxxxxxxx>
> >> Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
> >> ---
> >> Changes since v1:
> >> 	- moved comment out of function
> >> 	- removed unused 'alignment' variable
> >>
> >> v1: https://lkml.org/lkml/2015/2/24/598
> >>
> > 
> > <formletter>
> > 
> > This is not the correct way to submit patches for inclusion in the
> > stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
> > for how to do this properly.
> > 
> > </formletter>
> > 
> 
> Apologize for the lapse. I'm trying to use 'Option 1'
> (Cc: field in patch) to submit the patch to the stable kernel
> but in this case the email got sent out prematurely by mistake.
> I'll be more careful henceforth. Do you prefer that I use option
> 2 or 3?

The patch has to be in Linus's tree, if it's there, just send the git
commit id and what tree(s) you want it applied to, no need to send the
patch at all, right?

Unless it needs to be backported, you provided no information here at
all for us to know what is going on with this patch, hence my formletter
response.

thanks,

greg k-h

--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]