| Message ID | 20181011233117.7883-8-rick.p.edgecombe@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Rlimit for module space | expand |
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c index d298d3cb46d0..6c2356a72b63 100644 --- a/arch/s390/kernel/module.c +++ b/arch/s390/kernel/module.c @@ -32,12 +32,22 @@ void *module_alloc(unsigned long size) { + void *p; + if (PAGE_ALIGN(size) > MODULES_LEN) return NULL; - return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, + + if (check_inc_mod_rlimit(size)) + return NULL; + + p = __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, GFP_KERNEL, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, __builtin_return_address(0)); + + update_mod_rlimit(p, size); + + return p; } void module_arch_freeing_init(struct module *mod)
This adds in the rlimit checking for the s390 module allocator. This has not been tested. Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com> --- arch/s390/kernel/module.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)