On Wed, Jul 1, 2020 at 6:19 PM Long Li <lonuxli.64@xxxxxxxxx> wrote: > > kmalloc cannot allocate memory from HIGHMEM. Allocating large amounts > of memory currently bypasses the check and will simply leak the memory > when page_address() returns NULL. To fix this, factor the > GFP_SLAB_BUG_MASK check out of slab & slub, and call it from > kmalloc_order() as well. In order to make the code clear, the warning > message is put in one place. > > Signed-off-by: Long Li <lonuxli.64@xxxxxxxxx> Reviewed-by: Pekka Enberg <penberg@xxxxxxxxxx>
