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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - arch/arm/include/asm/cache.h
2 * arch/arm/include/asm/cache.h
4 #ifndef __ASMARM_CACHE_H
5 #define __ASMARM_CACHE_H
7 #define L1_CACHE_SHIFT CONFIG_ARM_L1_CACHE_SHIFT
8 #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
11 * Memory returned by kmalloc() may be used for DMA, so we must make
12 * sure that all such allocations are cache aligned. Otherwise,
13 * unrelated code may cause parts of the buffer to be read into the
14 * cache before the transfer is done, causing old data to be seen by
17 #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
20 * With EABI on ARMv5 and above we must have 64-bit aligned slab pointers.
22 #if defined(CONFIG_AEABI) && (__LINUX_ARM_ARCH__ >= 5)
23 #define ARCH_SLAB_MINALIGN 8