Konstantin Belousov c44d423ed8 Add sysctl vm.md_malloc_wait, non-zero value of which switches malloc-backed ... md(4) to using M_WAITOK malloc calls. M_NOWAITOK allocations may fail when enough memory could be freed, but not immediately. E.g. SU UFS becomes quite unhappy when metadata write return error, that would happen for failed malloc() call. Reported and tested by: pho MFC after: 1 week		2010-12-29 11:39:15 +00:00
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md.c	Add sysctl vm.md_malloc_wait, non-zero value of which switches malloc-backed	2010-12-29 11:39:15 +00:00