On Fri, May 13, 2011 at 07:35:01PM +0000, Matthew D Fleming wrote: > Author: mdf > Date: Fri May 13 19:35:01 2011 > New Revision: 221855 > URL: http://svn.freebsd.org/changeset/base/221855 > > Log: > Move the ZERO_REGION_SIZE to a machine-dependent file, as on many > architectures (i386, for example) the virtual memory space may be > constrained enough that 2MB is a large chunk. Use 64K for arches > other than amd64 and ia64, with special handling for sparc64 due to > differing hardware. > > Also commit the comment changes to kmem_init_zero_region() that I > missed due to not saving the file. (Darn the unfamiliar development > environment). > > Arch maintainers, please feel free to adjust ZERO_REGION_SIZE as you > see fit. > > Requested by: alc > MFC after: 1 week > MFC with: r221853 Wasting 2MB even on amd64 is not quite good, IMHO.
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