Re: Name hashing function causing a perf regression

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

 



On Mon, Sep 15, 2014 at 09:22:57AM -0700, Linus Torvalds wrote:

> The other performance issues I found are actually potentially worse,
> but they aren't regressions and they hit only when using namespaces.
> Which mostly nobody does on old kernels anyway. More of a "systemd
> uses namespaces for /tmp, and then it's quite noticeable as slowing
> down pathname lookups there if you benchmark it".

Umm...  They are easy to trigger with just mount --bind; no namespaces
needed, actually.
--
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]