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8d60ecd99c
LIBCFS_APT_ALLOC() calls kvmalloc_node() with GFP_NOFS which is not permitted. Mostly, a kmalloc_node(GFP_NOFS) is appropriate, though occasionally the allocation is large and GFP_KERNEL is acceptable, so kvmalloc_node() can be used. This patch introduces 4 alternatives to LIBCFS_CPT_ALLOC(): kmalloc_cpt() kzalloc_cpt() kvmalloc_cpt() kvzalloc_cpt(). Each takes a size, gfp flags, and cpt number. Almost every call to LIBCFS_CPT_ALLOC() passes lnet_cpt_table() as the table. This patch embeds that choice in the k*alloc_cpt() macros, and opencode kzalloc_node(..., cfs_cpt_spread_node(..)) in the one case that lnet_cpt_table() isn't used. When LIBCFS_CPT_ALLOC() is replaced, the matching LIBCFS_FREE() is also replaced, with with kfree() or kvfree() as appropriate. Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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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.