On Tue, 2017-11-07 at 03:43:01 UTC, Alexey Kardashevskiy wrote: > DMA windows can only have a size of power of two on IODA2 hardware and > using memory_hotplug_max() to determine the upper limit won't work > correcly if it returns not power of two value. > > This removes the check as the platform code does this check in > pnv_pci_ioda2_setup_default_config() anyway; the other client is VFIO > and that thing checks against locked_vm limit which prevents the userspace > from locking too much memory. > > It is expected to impact DPDK on machines with non-power-of-two RAM size, > mostly. KVM guests are less likely to be affected as usually guests get > less than half of hosts RAM. > > Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/9003a249815a15704f415954039d1c cheers