Re: [PATCH]vmscan: handle underflow for get_scan_ratio

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

 



> > > This patch makes a lot of sense than previous. however I think <1% anon ratio
> > > shouldn't happen anyway because file lru doesn't have reclaimable pages.
> > > <1% seems no good reclaim rate.
> > 
> > Oops, the above mention is wrong. sorry. only 1 page is still too big.
> > because under streaming io workload, the number of scanning anon pages should
> > be zero. this is very strong requirement. if not, backup operation will makes
> > a lot of swapping out.
> Sounds there is no big impact for the workload which you mentioned with the patch.
> please see below descriptions.
> I updated the description of the patch as fengguang suggested.

Umm.. sorry, no.

"one fix but introduce another one bug" is not good deal. instead, 
I'll revert the guilty commit at first as akpm mentioned.

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>

[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]