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words, every architecture is now auto-sizing the kmem arena. This revision
changes kmeminit() so that the definition of VM_KMEM_SIZE_SCALE becomes
mandatory and the definition of VM_KMEM_SIZE becomes optional.
Replace or eliminate all existing definitions of VM_KMEM_SIZE. With
auto-sizing enabled, VM_KMEM_SIZE effectively became an alternate spelling
for VM_KMEM_SIZE_MIN on most architectures. Use VM_KMEM_SIZE_MIN for
clarity.
Change kmeminit() so that the effect of defining VM_KMEM_SIZE is similar to
that of setting the tunable vm.kmem_size. Whereas the macros
VM_KMEM_SIZE_{MAX,MIN,SCALE} have had the same effect as the tunables
vm.kmem_size_{max,min,scale}, the effects of VM_KMEM_SIZE and vm.kmem_size
have been distinct. In particular, whereas VM_KMEM_SIZE was overridden by
VM_KMEM_SIZE_{MAX,MIN,SCALE} and vm.kmem_size_{max,min,scale}, vm.kmem_size
was not. Remedy this inconsistency. Now, VM_KMEM_SIZE can be used to set
the size of the kmem arena at compile-time without that value being
overridden by auto-sizing.
Update the nearby comments to reflect the kmem submap being replaced by the
kmem arena. Stop duplicating the auto-sizing formula in every machine-
dependent vmparam.h and place it in kmeminit() where auto-sizing takes
place.
Reviewed by: kib (an earlier version)
Sponsored by: EMC / Isilon Storage Division
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| .. | ||
| _align.h | ||
| _bus.h | ||
| _inttypes.h | ||
| _limits.h | ||
| _stdint.h | ||
| _types.h | ||
| asm.h | ||
| atomic.h | ||
| bootinfo.h | ||
| bus.h | ||
| bus_dma.h | ||
| cache.h | ||
| cache_mipsNN.h | ||
| cache_r4k.h | ||
| cdefs.h | ||
| clock.h | ||
| counter.h | ||
| cpu.h | ||
| cpufunc.h | ||
| cpuinfo.h | ||
| cpuregs.h | ||
| db_machdep.h | ||
| elf.h | ||
| endian.h | ||
| exec.h | ||
| fdt.h | ||
| float.h | ||
| floatingpoint.h | ||
| fls64.h | ||
| fpu.h | ||
| frame.h | ||
| gdb_machdep.h | ||
| hwfunc.h | ||
| ieee.h | ||
| ieeefp.h | ||
| in_cksum.h | ||
| intr_machdep.h | ||
| kdb.h | ||
| limits.h | ||
| locore.h | ||
| md_var.h | ||
| memdev.h | ||
| metadata.h | ||
| minidump.h | ||
| mips_opcode.h | ||
| octeon_cop2.h | ||
| ofw_machdep.h | ||
| param.h | ||
| pcb.h | ||
| pcpu.h | ||
| pmap.h | ||
| pmc_mdep.h | ||
| proc.h | ||
| profile.h | ||
| pte.h | ||
| ptrace.h | ||
| reg.h | ||
| regdef.h | ||
| regnum.h | ||
| reloc.h | ||
| resource.h | ||
| runq.h | ||
| sc_machdep.h | ||
| setjmp.h | ||
| sf_buf.h | ||
| sigframe.h | ||
| signal.h | ||
| smp.h | ||
| stdarg.h | ||
| sysarch.h | ||
| tlb.h | ||
| tls.h | ||
| trap.h | ||
| ucontext.h | ||
| varargs.h | ||
| vdso.h | ||
| vm.h | ||
| vmparam.h | ||