[RFC 3/3] x86/module: Use VM_GROUP_PAGES flag
From: Rick Edgecombe
Date: Mon Apr 05 2021 - 16:41:48 EST
Callers of module_alloc() will set permissions on the allocation. Use
the VM_GROUP_PAGES to reduce direct map breakage.
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>
---
arch/x86/kernel/module.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index 34b153cbd4ac..9161ce0e987f 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -75,7 +75,7 @@ void *module_alloc(unsigned long size)
p = __vmalloc_node_range(size, MODULE_ALIGN,
MODULES_VADDR + get_module_load_offset(),
MODULES_END, GFP_KERNEL,
- PAGE_KERNEL, 0, NUMA_NO_NODE,
+ PAGE_KERNEL, VM_GROUP_PAGES, NUMA_NO_NODE,
__builtin_return_address(0));
if (p && (kasan_module_alloc(p, size) < 0)) {
vfree(p);
--
2.29.2