On Wed, Aug 18, 2010 at 07:56:16PM +0530, naveen yadav wrote: > I will give more info. > > CONFIG_MIPS_L1_CACHE_SHIFT=5 > > CONFIG_DMA_NONCOHERENT=y > > mips 34kc is processor > > and File we are using is arch/mips/include/asm/mach-generic/kmalloc.h > > #ifndef __ASM_MACH_GENERIC_KMALLOC_H > #define __ASM_MACH_GENERIC_KMALLOC_H > > > #ifndef CONFIG_DMA_COHERENT > /* > * Total overkill for most systems but need as a safe default. > * Set this one if any device in the system might do non-coherent DMA. > */ > #define ARCH_KMALLOC_MINALIGN 128 > #endif > > #endif /* __ASM_MACH_GENERIC_KMALLOC_H */ > > > So shall we make value ARCH_KMALLOC_MINALIGN from 128 to 32. is > there any problem ? No, that's just what you should do. You do that by putting a file that defines ARCH_KMALLOC_MINALIGN into your platforms's arch/mips/include/asm/mach-<yourplatform>/kmalloc.h just like the ip32 file from your original posting. Ralf
