Re: [PATCH] add some drop_caches documentation and info messsge

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

 



On 10/24/2012 03:48 PM, Borislav Petkov wrote:
> On Wed, Oct 24, 2012 at 02:18:38PM -0700, Dave Hansen wrote:
>> Sounds fairly valid to me. But, it's also one that would not be harmed
>> or disrupted in any way because of a single additional printk() during
>> each suspend-to-disk operation.
> 
> back to the drop_caches patch. How about we hide the drop_caches
> interface behind some mm debugging option in "Kernel Hacking"? Assuming
> we don't need it otherwise on production kernels. Probably make it
> depend on CONFIG_DEBUG_VM like CONFIG_DEBUG_VM_RB or so.
> 
> And then also add it to /proc/vmstat, in addition.

That effectively means removing it from the kernel since distros ship
with those config options off.  We don't want to do that since there
_are_ valid, occasional uses like benchmarking that we want to be
consistent.

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  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]