Re: [PATCH 6/6] zsmalloc: make zsmalloc portable

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

On 04/26/2012 12:07 AM, Minchan Kim wrote:

> Quick patch - totally untested.
> We can implement new TLB flush function 
> "local_flush_tlb_kernel_range" If architecture is very smart, it 
> could flush only tlb entries related to vaddr. If architecture is 
> smart, it could flush only tlb entries related to a CPU. If 
> architecture is _NOT_ smart, it could flush all entries of all CPUs.
> Now there are few architectures have "local_flush_tlb_kernel_range". 
> MIPS, sh, unicore32, arm, score and x86 by this patch. So I think 
> it's good candidate other arch should implement. Until that, we can 
> add stub for other architectures which calls only [global/local] TLB
>  flush. We can expect maintainer could respond then they can 
> implement best efficient method. If the maintainer doesn't have any 
> interest, zsmalloc could be very slow in that arch and users will 
> blame that architecture.
> Any thoughts?

I had this same idea a while back.

It is encouraging to know that someone else independently thought of
this solution too :)  Makes me think it is a good solution.

Let me build and test on x86, make sure there are no unforseen consequences.

Thanks again for your work here!


To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: .
Fight unfair telecom internet charges in Canada: sign
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>

[Site Home]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Tools]     [DDR & Rambus]     [Asterisk Internet PBX]     [Linux API]     [Monitors]

Add to Google Google PageRank Checking tool