> On Tue, 13 Feb 2007 23:24:43 +0100 Ingo Molnar <[EMAIL PROTECTED]> wrote: > > If it's only a few pages you don't need any resource accounting. If > > it's more then it's nasty to steal the users quota. I think plain > > gup() would be better. > > get_user_pages() would have to be limited in some way - and i didnt want > to add yet another wacky limit thing - so i just used the already > existing mlock() infrastructure for this. If Oracle wants to set up a 10 > MB ringbuffer, they can set the PAM resource limits to 11 MB and still > have enough stuff left. And i dont really expect GPG to start using > syslets - just yet ;-) > > a single page is enough for 1024 completion pointers - that's more than > enough for most purposes - and the default mlock limit is 40K.
So if I have an application which instantiates a single mlocked page for this purpose, I can only run ten of them at once, and any other mlock-using process which I'm using starts to mysteriously fail. It seems like a problem to me.. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
