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The I/O buffer doesn't have to be aligned on block size granularity, relax alignment to ARCH_KMALLOC_MINALIGN (required to allow DMA from slab cache memory on some architectures). Also, set SLAB_RECLAIM_ACCOUNT so that the memory allocated from the cache is accounted as reclaimable and doesn't inflate the 'used' entry in the free command. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.