On Sun, 29 Jan 2023 10:44:31 +0800 Liu Shixin <liushixin2@xxxxxxxxxx> wrote: > Hi, > > > This patch seems to have been lost in the corner. Recently I've meet this problem again > > on v6.1, so I would like to propose this patch again. > > > Thanks, > > > On 2022/12/27 17:26, Liu Shixin wrote: > > After I add a 10GB pmem device, I got the following error message when > > insert module: > > > > insmod: vmalloc error: size 16384, vm_struct allocation failed, > > mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 > > > > If CONFIG_RANDOMIZE_BASE is set, the module region can be located in the > > vmalloc region entirely. Although module_alloc() can fall back to a 2GB > > window if ARM64_MODULE_PLTS is set, the module region is still easily > > exhausted because the module region is located at bottom of vmalloc region > > and the vmalloc region is allocated from bottom to top. > > > > Skip module region if not calling from module_alloc(). > > I'll assume this is for the arm tree. Acked-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
