On Mon, Apr 27, 2015 at 11:25 AM, PaX Team <pageexec@xxxxxxxxxxx> wrote: > > the PaX SANITIZE feature does exactly this in mm/page_alloc.c:prep_new_page: > > #ifndef CONFIG_PAX_MEMORY_SANITIZE > if (gfp_flags & __GFP_ZERO) > prep_zero_page(page, order, gfp_flags); > #endif > Thanks, I'll do that in the next iteration. >> you'd need to clear memory on boot for example. > > it happens automagically because on boot during the transition from the > boot allocator to the buddy one each page gets freed which will then go > through the page clearing path. Interesting, I'll see how it works. > > however there's a known problem/conflict with HIBERNATION (see > http://marc.info/?l=linux-pm&m=132871433416256&w=2) which i think would > have to be resolved before upstream acceptance. I don't use hibernation, but I'll see if I can create a swap partition to test that. Regards, Anisse -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>