On Thu, May 02, 2019 at 09:06:09AM -0400, Karaoui mohamed lamine wrote: > Hi all, > > According to the man page of "ulimit", it is possible to limit the virtual > address space of a user process: https://ss64.com/bash/ulimit.html > To limit the virtual address space to 2 GB: > $ ulimit -SH -v 1048576 > > However, it seems that "stack" allocation ignores this limit (I tried with > both kernel 4.4 and 4.15). > > I found this article (patch) that seems to fix the problem: > https://lwn.net/Articles/373701/ > > My questions are: > - Why is the stack allocation not placed within the "ulimit" limit? (is it > a bug?) > - Is there a way, in user space, to force the stack to be allocated at a > certain address? > - Will the patch above (or similar) ever be integrated into the Linux > kernel? The patch above was integrated into the 2.6.33 kernel, and backported to 2.6.32.9 and fixed in 2.6.32.10. All of those kernels were released in 2010, quite a long time ago. Are you sure you are hitting the same "problem"? thanks, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies