Linux驱动技术(一) _内存申请
复制/** * kmalloc - allocate memory * @size: how many bytes of memory are required. * @flags: the type of memory to allocate. * The @flags argument may be one of: * %GFP_USER - Allocate memory on behalf ofuser. May sleep. * %GFP_KERNEL - Allocate normal kernel ram. May sleep. * %GFP_ATOMIC - Allocation will not sleep. May use emergency pools. * * For example,驱请 use this inside interrupt handlers. */ void *kmalloc(size_t size, gfp_t flags); /** * kfree - free previously allocated memory * @objp: pointer returned by kmalloc. * If @objp isNULL, no operation is performed. */ void kfree(const void *objp); 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.
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