# # Phonet protocol # config PHONET tristate "Phonet protocols family" help The Phone Network protocol (PhoNet) is a packet-oriented communication protocol developed by Nokia for use with its modems. This is required for Maemo to use cellular data connectivity (if supported). It can also be used to control Nokia phones from a Linux computer, although AT commands may be easier to use. To compile this driver as a module, choose M here: the module will be called phonet. If unsure, say N. dy>
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authorMatthew Wilcox <willy@linux.intel.com>2016-12-14 15:09:04 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-14 16:04:10 -0800
commit2791653a6814d170fa893344618563a7b1da95c6 (patch)
tree635c8ca43b49ac15836e5d4b5786d64733661755
parente157b555945fb16ddc6cce605a1eb6b4135ea5f1 (diff)
radix-tree: add radix_tree_split_preload()
Calculate how many nodes we need to allocate to split an old_order entry into multiple entries, each of size new_order. The test suite checks that we allocated exactly the right number of nodes; neither too many (checked by rtp->nr == 0), nor too few (checked by comparing nr_allocated before and after the call to radix_tree_split()). Link: http://lkml.kernel.org/r/1480369871-5271-60-git-send-email-mawilcox@linuxonhyperv.com Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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