On 03.07.2013, at 00:28, Benjamin Herrenschmidt wrote: > On Tue, 2013-07-02 at 17:12 +0200, Alexander Graf wrote: >> Is CMA a mandatory option in the kernel? Or can it be optionally >> disabled? If it can be disabled, we should keep the preallocated >> fallback case around for systems that have CMA disabled. > > Why ? More junk code to keep around ... > > If CMA is disabled, we can limit ourselves to dynamic allocation (with > limitation to 16M hash table).
Aneesh adds a requirement for CMA on the KVM option in Kconfig, so all is well. Alex _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
