LIBUVMEM(3) Library Functions Manual LIBUVMEM(3) NAME libuvmem -- userspace general purpose resource allocator SYNOPSIS libuvmem #include <sys/vmem.h> DESCRIPTION The libuvmem is a general purpose resource allocator. It is a port of the kernel facility of the similar name vmem. Refer to the description of the kernel allocator vmem(9) to get the docu- mentation for it. NOTES The "quantum cache" feature is not implemented for userspace, and the quantum and qcache_max arguments of the vmem_create() function are ignored. The library internally uses malloc(3) to allocate structures tracking allo- cations. The allocator is thread-safe. Locks for separate vmem's are independent between each other. The supported flags for the vmem_xalloc() function are * M_NOWAIT * M_FIRSTFIT * M_BESTFIT * M_NEXTFIT AUTHORS See vmem(9) for the history of the kernel allocator. The userspace port for FreeBSD was done by Konstantin Belousov <kib@FreeBSD.org>. FreeBSD 15.1 October 16, 2025 LIBUVMEM(3)
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