Author: marius Date: Tue Jun 21 20:48:14 2011 New Revision: 223378 URL: http://svn.freebsd.org/changeset/base/223378
Log: 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. Modified: head/sys/sparc64/include/tsb.h head/sys/sparc64/include/vmparam.h Modified: head/sys/sparc64/include/tsb.h ============================================================================== --- head/sys/sparc64/include/tsb.h Tue Jun 21 20:47:03 2011 (r223377) +++ head/sys/sparc64/include/tsb.h Tue Jun 21 20:48:14 2011 (r223378) @@ -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) Modified: head/sys/sparc64/include/vmparam.h ============================================================================== --- head/sys/sparc64/include/vmparam.h Tue Jun 21 20:47:03 2011 (r223377) +++ head/sys/sparc64/include/vmparam.h Tue Jun 21 20:48:14 2011 (r223378) @@ -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; /* _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
