> This change allows Linux to treat shm just as regular anonymous memory. > One important difference between them, though, is handling out-of-memory > conditions: as opposed to regular anon memory, the OOM killer will not > kill processes that are hogging memory through shm, allowing users to > potentially abuse this. To overcome this situation, the shm_rmid_forced > option must be enabled.
Off topic: systemd implemented similar feature RemoveIPC and it is enabled by default. http://lists.freedesktop.org/archives/systemd-devel/2014-March/018232.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/