On Wednesday 31 October 2007 23:17, Peter Zijlstra wrote: > On Wed, 2007-10-31 at 21:46 +1100, Nick Piggin wrote:
> > And I'd prevent these ones from doing so. > > > > Without keeping track of "reserve" pages, which doesn't feel > > too clean. > > The problem with that is that once a slab was allocated with the right > allocation context, anybody can get objects from these slabs. [snip] I understand that. > So we either reserve a page per object, which for 32 byte objects is a > large waste, or we stop anybody who doesn't have the right permissions > from obtaining objects. I took the latter approach. What I'm saying is that the slab allocator slowpath should always just check watermarks against the current task. Instead of this ->reserve stuff. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
