hi all, in ib_umem_get() in drivers/infiniband/core/umem.c in the kernel.org
driver at around line 115, we:
locked = npages + current-mm-locked_vm;
lock_limit = current-signal-rlim[RLIMIT_MEMLOCK].rlim_cur
PAGE_SHIFT;
if ((locked lock_limit)
the calculation looks ok, but it looks to me like
the should be an || in the test, esp since earlier
in the routine, we do an:
if (!can_do_mlock())
return ERR_PTR(-EPERM);
so, maybe the !capable(CAP_IPC_LOCK) should not be
there at all?
No, I think the
hi roland, thanks, i get it now, it also helped
when i saw this in the memlock manpage:
Limits and permissions
In Linux 2.6.8 and earlier, a process must be privileged (CAP_IPC_LOCK)
in order to lock memory and the RLIMIT_MEMLOCK soft resource limit
defines a limit on
