diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2022-09-15 13:10:44 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-10-17 16:40:57 +0200 |
| commit | 4c4eb3ecc91f4fee6d6bf7cfbc1e21f2e38d19ff (patch) | |
| tree | 1b2be88704951a295a226cb84867b8add3edbd37 /arch/x86/kernel/module.c | |
| parent | 2cb15faaedeb67f52f2ddc32b5ca152acfc422c2 (diff) | |
x86/modules: Set VM_FLUSH_RESET_PERMS in module_alloc()
Instead of resetting permissions all over the place when freeing module
memory tell the vmalloc code to do so. Avoids the exercise for the next
upcoming user.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220915111143.406703869@infradead.org
Diffstat (limited to 'arch/x86/kernel/module.c')
| -rw-r--r-- | arch/x86/kernel/module.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c index c032edcd3d95..43f011277219 100644 --- a/arch/x86/kernel/module.c +++ b/arch/x86/kernel/module.c @@ -74,10 +74,11 @@ void *module_alloc(unsigned long size) return NULL; p = __vmalloc_node_range(size, MODULE_ALIGN, - MODULES_VADDR + get_module_load_offset(), - MODULES_END, gfp_mask, - PAGE_KERNEL, VM_DEFER_KMEMLEAK, NUMA_NO_NODE, - __builtin_return_address(0)); + MODULES_VADDR + get_module_load_offset(), + MODULES_END, gfp_mask, PAGE_KERNEL, + VM_FLUSH_RESET_PERMS | VM_DEFER_KMEMLEAK, + NUMA_NO_NODE, __builtin_return_address(0)); + if (p && (kasan_alloc_module_shadow(p, size, gfp_mask) < 0)) { vfree(p); return NULL; |