Re: 4-Kb page-size for kernel in ARM-Cortex

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

 



My bad. wrong address. correct it. 

On Fri, Jun 04, 2010 at 09:32:34PM +0900, Minchan Kim wrote:
> On Thu, Jun 03, 2010 at 08:13:35PM +0530, Uma shankar wrote:
> > Hi,
> > 
> >           It is my understanding that  in ARM, the MMU setting for
> > kernel VA  range ( 0xc0000000 onwards )
> > is set up using the section-sized mapping ( 1 Mb in size ) ,  as this
> > range maps to a  contiguous physical address range.
> > 
> > I am trying out a memory-checking tool on Cortex.    This tool has the
> > requirement that it  needs to be able to set up  PTE for each 4 Kb
> > range of  kernel address.
> > 
> > So,  paging_init ( arch/arm/mm/mmu.c ) is modified for this.
> > 
> > But , with this MMU setting,   the kernel hangs somewhere  after
> > freeing init memory. ( "freeing init mem"  is the last print I see on
> > console. )
> > 
> > For  3-level page-table setting of kernel VA,  do I have to change
> > something else also ?
> 
> It's related to arm architecture. 
> Please, Cced linux-arm-kernel mailing list. 
> Maybe they can solve your problem. 
> 
> P.S) 
> Please send your patch with question, symptom more detail and oops 
> if you can get it. 
> 
> 
> > 
> >               thanks
> > 
> > --
> > To unsubscribe, send a message with 'unsubscribe linux-mm' in
> > the body to majordomo@xxxxxxxxxx  For more info on Linux MM,
> > see: http://www.linux-mm.org/ .
> > Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
> 
> -- 
> Kind regards,
> Minchan Kim

-- 
Kind regards,
Minchan Kim

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxxx  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>


[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]