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alloc_bucket_locks allocation pattern is quite unusual. We are preferring vmalloc when CONFIG_NUMA is enabled. The rationale is that vmalloc will respect the memory policy of the current process and so the backing memory will get distributed over multiple nodes if the requester is configured properly. At least that is the intention, in reality rhastable is shrunk and expanded from a kernel worker so no mempolicy can be assumed. Let's just simplify the code and use kvmalloc helper, which is a transparent way to use kmalloc with vmalloc fallback, if the caller is allowed to block and use the flag otherwise. Link: http://lkml.kernel.org/r/20170306103032.2540-4-mhocko@kernel.org Signed-off-by: Michal Hocko <mhocko@suse.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Tom Herbert <tom@herbertland.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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.