On Wed, Jul 01, 2020 at 03:16:45PM +0000, Long Li 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: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
