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On machines where we don't need to lock the kernel TSB into the dTLB and

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thus may basically use the entire 64-bit kernel address space reduce
VM_KMEM_SIZE_SCALE to 1 allowing kernel to use more memory.
This commit is contained in:
Marius Strobl 2011-06-21 20:48:14 +00:00
parent 7cdfb4e8f2
commit 0e3d1b3853
2 changed files with 2 additions and 2 deletions
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1
sys/sparc64/include/tsb.h
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@ -50,7 +50,6 @@ extern struct tte *tsb_kernel;
extern vm_size_t tsb_kernel_mask;
extern vm_size_t tsb_kernel_size;
extern vm_paddr_t tsb_kernel_phys;
extern u_int tsb_kernel_ldd_phys;
static __inline struct tte *
tsb_vpntobucket(pmap_t pm, vm_offset_t vpn)

3
sys/sparc64/include/vmparam.h
View File

@ -218,7 +218,7 @@
* is the total KVA space allocated for kmem_map.
*/
#ifndef VM_KMEM_SIZE_SCALE
#define VM_KMEM_SIZE_SCALE (3)
#define VM_KMEM_SIZE_SCALE (tsb_kernel_ldd_phys == 0 ? 3 : 1)
#endif
/*
@ -238,6 +238,7 @@
#define UMA_MD_SMALL_ALLOC
extern u_int tsb_kernel_ldd_phys;
extern vm_offset_t vm_max_kernel_address;
/*