[v2,5/7] mips/modules: Add rlimit checking for mips modules
diff mbox series

Message ID 20181011233117.7883-6-rick.p.edgecombe@intel.com
State Superseded
Headers show
Series
  • Rlimit for module space
Related show

Commit Message

Edgecombe, Rick P Oct. 11, 2018, 11:31 p.m. UTC
This adds in the rlimit checking for the mips module allocator.

This has not been tested.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 arch/mips/kernel/module.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

Patch
diff mbox series

diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c
index 491605137b03..7a23392512d1 100644
--- a/arch/mips/kernel/module.c
+++ b/arch/mips/kernel/module.c
@@ -47,9 +47,18 @@  static DEFINE_SPINLOCK(dbe_lock);
 #ifdef MODULE_START
 void *module_alloc(unsigned long size)
 {
-	return __vmalloc_node_range(size, 1, MODULE_START, MODULE_END,
+	void *p;
+
+	if (check_inc_mod_rlimit(size))
+		return NULL;
+
+	p = __vmalloc_node_range(size, 1, MODULE_START, MODULE_END,
 				GFP_KERNEL, PAGE_KERNEL, 0, NUMA_NO_NODE,
 				__builtin_return_address(0));
+
+	update_mod_rlimit(p, size);
+
+	return p;
 }
 #endif