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- #include <common.h>
- #include <malloc.h>
- #include <memalign.h>
- #include <asm/cache.h>
- #include <linux/compat.h>
- struct p_current cur = {
- .pid = 1,
- };
- __maybe_unused struct p_current *current = &cur;
- unsigned long copy_from_user(void *dest, const void *src,
- unsigned long count)
- {
- memcpy((void *)dest, (void *)src, count);
- return 0;
- }
- void *kmalloc(size_t size, int flags)
- {
- void *p;
- p = malloc_cache_aligned(size);
- if (p && flags & __GFP_ZERO)
- memset(p, 0, size);
- return p;
- }
- struct kmem_cache *get_mem(int element_sz)
- {
- struct kmem_cache *ret;
- ret = memalign(ARCH_DMA_MINALIGN, sizeof(struct kmem_cache));
- ret->sz = element_sz;
- return ret;
- }
- void *kmem_cache_alloc(struct kmem_cache *obj, int flag)
- {
- return malloc_cache_aligned(obj->sz);
- }
- /**
- * kmemdup - duplicate region of memory
- *
- * @src: memory region to duplicate
- * @len: memory region length
- * @gfp: GFP mask to use
- *
- * Return: newly allocated copy of @src or %NULL in case of error
- */
- void *kmemdup(const void *src, size_t len, gfp_t gfp)
- {
- void *p;
- p = kmalloc(len, gfp);
- if (p)
- memcpy(p, src, len);
- return p;
- }
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