Christoph Lameter <clameter@sgi.com> writes: > > Zeroed pages however will not address the issue of having initialized pgd > (which seems to be what i386 needs).
pgd is tiny on i386 PAE (4 * 16 bytes). Are you sure reinitializing that is a serious issue? For i386 non PAE (and x86-64) it is just a normal 4k page.