>>>>> On Sun, 9 May 2004 14:57:50 +0200, Ralf Baechle <ralf@xxxxxxxxxxxxxx> said: ralf> We got tripped by a change in 2.6.6-rc2. Before that change the ralf> kmalloc slab caches were being created with SLAB_HWCACHE_ALIGN ralf> which results in L1_CACHE_SHIFT alignment for allocations of ralf> L1_CACHE_SHIFT for slab caches that are at least that size. For ralf> the sake of S390 this behaviour was changed; new it defaults to ralf> BYTES_PER_WORD alignment which is four bytes. ralf> Fixed by defining ARCH_KMALLOC_MINALIGN as 8. Hmm, many drivers use kmalloc and pci_map_single for DMA buffer. So ARCH_KMALLOC_MINALIGN should be L1_CACHE_BYTES for non-coherent system? --- Atsushi Nemoto
