On Fri 06-10-17 11:10:14, David Laight wrote: > From: Pavel Tatashin > > Sent: 05 October 2017 22:11 > > vmemmap_alloc_block() will no longer zero the block, so zero memory > > at its call sites for everything except struct pages. Struct page memory > > is zero'd by struct page initialization. > > It seems dangerous to change an allocator to stop zeroing memory. > It is probably saver to add a new function that doesn't zero > the memory and use that is the places where you don't want it > to be zeroed. Not sure what you mean. memblock_virt_alloc_try_nid_raw is a new function which doesn't zero out... -- Michal Hocko SUSE Labs -- 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>