Hi Eric, On Thu, Nov 21, 2019 at 11:58 AM Eric Joyner <e...@freebsd.org> wrote: > > Author: erj > Date: Thu Nov 21 19:57:56 2019 > New Revision: 354977 > URL: https://svnweb.freebsd.org/changeset/base/354977 > > Log: > bitstring: add functions to find contiguous set/unset bit sequences > > Add bit_ffs_area_at and bit_ffc_area_at functions for searching a bit > string for a sequence of contiguous set or unset bits of at least the > specified size. > > The bit_ffc_area function will be used by the Intel ice driver for > implementing resource assignment logic using a bitstring to represent > whether or not a given index has been assigned or is currently free.
I don't know what the ice driver is/does, so apologies if this is nonsensical. Would it make more sense to use vmem(9) for this purpose? It's a general-purpose resource allocator and can scale well with large numbers of resources / CPUs. Best, Conrad _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
