Re: [PATCH v2 01/12] nios2: define virtual address space for modules
From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
Date: 2023-06-16 16:00:36
Also in:
bpf, linux-arm-kernel, linux-mips, linux-mm, linux-modules, linux-riscv, linux-s390, linuxppc-dev, lkml, loongarch, netdev, sparclinux
On Fri, 2023-06-16 at 11:50 +0300, Mike Rapoport wrote:
void *module_alloc(unsigned long size)
{
- if (size == 0)
- return NULL;
- return kmalloc(size, GFP_KERNEL);
-}
-
-/* Free memory returned from module_alloc */
-void module_memfree(void *module_region)
-{
- kfree(module_region);
+ return __vmalloc_node_range(size, 1, MODULES_VADDR,
MODULES_END,
+ GFP_KERNEL, PAGE_KERNEL_EXEC,
+ VM_FLUSH_RESET_PERMS,
NUMA_NO_NODE,
+ __builtin_return_address(0));
}
int apply_relocate_add(Elf32_Shdr *sechdrs, const char *sI wonder if the (size == 0) check is really needed, but __vmalloc_node_range() will WARN on this case where the old code won't.