> +/* > + * We need to ensure that shared mappings are correctly aligned to > + * avoid aliasing issues with VIPT caches. We need to ensure that > + * a specific page of an object is always mapped at a multiple of > + * SHMLBA bytes. > + * > + * We unconditionally provide this function for all cases. > + */ On something unrelated: If csky has virtually indexed caches you also need to implement the flush_kernel_vmap_range and invalidate_kernel_vmap_range functions to avoid data corruption when doing I/O on vmalloc/vmap ranges.
