Date: Sat, 13 Apr 2002 12:45:37 -0700 (PDT) From: Thomas Moestl <tmm@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 9665 for review Message-ID: <200204131945.g3DJjbQ70016@freefall.freebsd.org>
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http://people.freebsd.org/~peter/p4db/chv.cgi?CH=9665 Change 9665 by tmm@tmm_sparc64 on 2002/04/13 12:45:19 The CVS version still uses the old (and more correct) pmap_extract() code to get the physical address, so reduce unnecessary diffs to it. Affected files ... ... //depot/projects/sparc64/sys/sparc64/sparc64/vm_machdep.c#51 edit Differences ... ==== //depot/projects/sparc64/sys/sparc64/sparc64/vm_machdep.c#51 (text+ko) ==== @@ -338,14 +338,16 @@ { vm_prot_t prot; caddr_t addr, kva; + vm_offset_t pa; int pidx; struct vm_page *m; - vm_offset_t phys; + pmap_t pmap; GIANT_REQUIRED; KASSERT((bp->b_flags & B_PHYS) != 0, ("vmapbuf: not a B_PHYS buffer")); + pmap = &curproc->p_vmspace->vm_pmap; /* * Use the d-cache color of b->b_data (the user space region) for the * kva region too, to avoid illegal cache aliases which would require @@ -368,10 +370,9 @@ */ vm_fault_quick((addr >= (caddr_t)bp->b_saveaddr) ? addr : bp->b_saveaddr, prot); - phys = pmap_extract(&curproc->p_vmspace->vm_pmap, - (vm_offset_t)addr); - KASSERT(phys != 0, ("vmapbuf: page not present")); - m = PHYS_TO_VM_PAGE(phys); + pa = pmap_extract(pmap, (vm_offset_t)addr); + KASSERT(pa != 0, ("vmapbuf: page not present")); + m = PHYS_TO_VM_PAGE(pa); vm_page_hold(m); bp->b_pages[pidx] = m; pmap_enter(kernel_pmap, (vm_offset_t)kva, m, To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe p4-projects" in the body of the message
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