On Wed, Aug 18, 2010 at 6:07 PM, naveen yadav <yad.naveen@xxxxxxxxx> wrote: > Hi All, > > We are using MIPS(mips32r2) target. when I alloc memory using kmalloc > suppose 28 bytes, the kernel still consume 128 bytes. > > So when I check File on kernel source mach-ip32/kmalloc.h > > Since it is allign to 128 bytes so i understand that even if I > consume 1 byte it will waste 128 bytes. > > #ifndef __ASM_MACH_IP32_KMALLOC_H > #define __ASM_MACH_IP32_KMALLOC_H > > > #if defined(CONFIG_CPU_R5000) || defined(CONFIG_CPU_RM7000) > #define ARCH_KMALLOC_MINALIGN 32 > #else > #define ARCH_KMALLOC_MINALIGN 128 > #endif > > #endif /* __ASM_MACH_IP32_KMALLOC_H */ > > > So I could not understand why it is allign to 128 bytes. Is there any > specific reason for it. ? > > thanks >
