On Wed, Aug 01, 2018 at 11:31:15PM +0800, zhong jiang wrote: > Hi, Everyone > > I ran across the following novel case similar to memory leak in linux-4.1 > stable when allocating > memory object by kmem_cache_alloc. it rarely can be reproduced. > > I create a specific mempool with 24k size based on the slab. it can not be > merged with > other kmem cache. I record the allocation and free usage by atomic_add/sub. > After a while, > I watch the specific slab consume most of total memory. After halting the > code execution. > The counter of allocation and free is equal. Therefore, I am sure that > module have released > all meory resource. but the statistic of specific slab is very high but > stable by checking /proc/slabinfo.
Please post the code.
