On Mon, Aug 26, 2024 at 03:39:47PM -0400, Kent Overstreet wrote: > Given the amount of plumbing required here, it's clear that passing gfp > flags is the less safe way of doing it, and this really does belong in > the allocation context. > > Failure to pass gfp flags correctly (which we know is something that > happens today, e.g. vmalloc -> pte allocation) means you're introducing > a deadlock.
The problem with vmalloc is that the page table allocation _doesn't_ take a GFP parameter.
