On Wed, 21 Nov 2018, Robin Murphy wrote: > On 21/11/2018 17:38, Christopher Lameter wrote: > > On Wed, 21 Nov 2018, Will Deacon wrote: > > > > > > +#define ARM_V7S_TABLE_SLAB_CACHE SLAB_CACHE_DMA32 > > > > SLAB_CACHE_DMA32??? WTH is going on here? We are trying to get rid of > > the dma slab array. > > See the previous two patches in this series. If there's already a (better) way > to have a kmem_cache which allocates its backing pages with GFP_DMA32, please > do let us know. Was not cced on the whole patchset. Trying to find it. Its best to allocate DMA memory through the page based allocation functions. dma_alloc_coherent() and friends.
