On Mon, 7 Dec 2020 16:41:18 -0800 Nadav Amit <nadav.amit@xxxxxxxxx> wrote: > > On Oct 2, 2020, at 8:44 AM, Claudio Imbrenda > > <imbrenda@xxxxxxxxxxxxx> wrote: > > > > This is a complete rewrite of the page allocator. > > This patch causes me crashes: > > lib/alloc_page.c:433: assert failed: !(areas_mask & BIT(n)) > > It appears that two areas are registered on AREA_LOW_NUMBER, as > setup_vm() can call (and calls on my system) page_alloc_init_area() > twice. which system is that? page_alloc_init_area should not be called twice on the same area! > setup_vm() uses AREA_ANY_NUMBER as the area number argument but > eventually this means, according to the code, that > __page_alloc_init_area() would use AREA_LOW_NUMBER. > > I do not understand the rationale behind these areas well enough to > fix it. I'll see what I can fix Claudio
