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author | marius <marius@FreeBSD.org> | 2011-06-21 20:48:14 +0000 |
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committer | marius <marius@FreeBSD.org> | 2011-06-21 20:48:14 +0000 |
commit | 3cb5b0723fb083aac66b0e60e0b09a7a1439db3f (patch) | |
tree | 0868fad0059ade5d588f7f0cada5e45fca4622c1 /sys/sparc64 | |
parent | cee084b03f7ae8330633fa6bdac66995e9d3c1ca (diff) | |
download | FreeBSD-src-3cb5b0723fb083aac66b0e60e0b09a7a1439db3f.zip FreeBSD-src-3cb5b0723fb083aac66b0e60e0b09a7a1439db3f.tar.gz |
On machines where we don't need to lock the kernel TSB into the dTLB and
thus may basically use the entire 64-bit kernel address space reduce
VM_KMEM_SIZE_SCALE to 1 allowing kernel to use more memory.
Diffstat (limited to 'sys/sparc64')
-rw-r--r-- | sys/sparc64/include/tsb.h | 1 | ||||
-rw-r--r-- | sys/sparc64/include/vmparam.h | 3 |
2 files changed, 2 insertions, 2 deletions
diff --git a/sys/sparc64/include/tsb.h b/sys/sparc64/include/tsb.h index 5fa1190..1fd1e8f 100644 --- a/sys/sparc64/include/tsb.h +++ b/sys/sparc64/include/tsb.h @@ -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) diff --git a/sys/sparc64/include/vmparam.h b/sys/sparc64/include/vmparam.h index 1b9e537..6c17b4c 100644 --- a/sys/sparc64/include/vmparam.h +++ b/sys/sparc64/include/vmparam.h @@ -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; /* |