diff options
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_exec.c | 10 | ||||
| -rw-r--r-- | sys/kern/subr_trap.c | 16 | ||||
| -rw-r--r-- | sys/kern/vfs_bio.c | 21 |
3 files changed, 15 insertions, 32 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c index 50a5388..12dd958 100644 --- a/sys/kern/kern_exec.c +++ b/sys/kern/kern_exec.c @@ -23,7 +23,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: kern_exec.c,v 1.39 1996/04/29 15:07:59 smpatel Exp $ + * $Id: kern_exec.c,v 1.40 1996/05/01 02:42:47 bde Exp $ */ #include <sys/param.h> @@ -171,7 +171,7 @@ interpret: * Map the image header (first page) of the file into * kernel address space */ - error = vm_mmap(kernel_map, /* map */ + error = vm_mmap(exech_map, /* map */ (vm_offset_t *)&imgp->image_header, /* address */ PAGE_SIZE, /* size */ VM_PROT_READ, /* protection */ @@ -206,7 +206,7 @@ interpret: /* free old vnode and name buffer */ vrele(ndp->ni_vp); FREE(ndp->ni_cnd.cn_pnbuf, M_NAMEI); - if (vm_map_remove(kernel_map, (vm_offset_t)imgp->image_header, + if (vm_map_remove(exech_map, (vm_offset_t)imgp->image_header, (vm_offset_t)imgp->image_header + PAGE_SIZE)) panic("execve: header dealloc failed (1)"); @@ -319,7 +319,7 @@ interpret: * free various allocated resources */ kmem_free(exec_map, (vm_offset_t)imgp->stringbase, ARG_MAX); - if (vm_map_remove(kernel_map, (vm_offset_t)imgp->image_header, + if (vm_map_remove(exech_map, (vm_offset_t)imgp->image_header, (vm_offset_t)imgp->image_header + PAGE_SIZE)) panic("execve: header dealloc failed (2)"); vrele(ndp->ni_vp); @@ -331,7 +331,7 @@ exec_fail_dealloc: if (imgp->stringbase != NULL) kmem_free(exec_map, (vm_offset_t)imgp->stringbase, ARG_MAX); if (imgp->image_header && imgp->image_header != (char *)-1) - if (vm_map_remove(kernel_map, (vm_offset_t)imgp->image_header, + if (vm_map_remove(exech_map, (vm_offset_t)imgp->image_header, (vm_offset_t)imgp->image_header + PAGE_SIZE)) panic("execve: header dealloc failed (3)"); if (ndp->ni_vp) diff --git a/sys/kern/subr_trap.c b/sys/kern/subr_trap.c index c97e50a..b81cfc1 100644 --- a/sys/kern/subr_trap.c +++ b/sys/kern/subr_trap.c @@ -35,7 +35,7 @@ * SUCH DAMAGE. * * from: @(#)trap.c 7.4 (Berkeley) 5/13/91 - * $Id: trap.c,v 1.74 1996/03/27 17:33:39 bde Exp $ + * $Id: trap.c,v 1.75 1996/03/28 05:40:57 dyson Exp $ */ /* @@ -806,24 +806,10 @@ int trapwrite(addr) v = trunc_page(vtopte(va)); /* - * wire the pte page - */ - if (va < USRSTACK) { - vm_map_pageable(&vm->vm_map, v, round_page(v+1), FALSE); - } - - /* * fault the data page */ rv = vm_fault(&vm->vm_map, va, VM_PROT_READ|VM_PROT_WRITE, FALSE); - /* - * unwire the pte page - */ - if (va < USRSTACK) { - vm_map_pageable(&vm->vm_map, v, round_page(v+1), TRUE); - } - --p->p_lock; if (rv != KERN_SUCCESS) diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index d449b94..cb76f05 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -18,7 +18,7 @@ * 5. Modifications may be freely made to this file if the above conditions * are met. * - * $Id: vfs_bio.c,v 1.88 1996/03/09 06:46:51 dyson Exp $ + * $Id: vfs_bio.c,v 1.89 1996/05/03 21:01:26 phk Exp $ */ /* @@ -509,7 +509,7 @@ brelse(struct buf * bp) /* buffers with no memory */ if (bp->b_bufsize == 0) { bp->b_qindex = QUEUE_EMPTY; - TAILQ_INSERT_TAIL(&bufqueues[QUEUE_EMPTY], bp, b_freelist); + TAILQ_INSERT_HEAD(&bufqueues[QUEUE_EMPTY], bp, b_freelist); LIST_REMOVE(bp, b_hash); LIST_INSERT_HEAD(&invalhash, bp, b_hash); bp->b_dev = NODEV; @@ -742,7 +742,7 @@ start: goto trytofreespace; /* can we constitute a new buffer? */ - if ((bp = bufqueues[QUEUE_EMPTY].tqh_first)) { + if ((bp = TAILQ_FIRST(&bufqueues[QUEUE_EMPTY]))) { if (bp->b_qindex != QUEUE_EMPTY) panic("getnewbuf: inconsistent EMPTY queue, qindex=%d", bp->b_qindex); @@ -756,11 +756,11 @@ trytofreespace: * This is desirable because file data is cached in the * VM/Buffer cache even if a buffer is freed. */ - if ((bp = bufqueues[QUEUE_AGE].tqh_first)) { + if ((bp = TAILQ_FIRST(&bufqueues[QUEUE_AGE]))) { if (bp->b_qindex != QUEUE_AGE) panic("getnewbuf: inconsistent AGE queue, qindex=%d", bp->b_qindex); - } else if ((bp = bufqueues[QUEUE_LRU].tqh_first)) { + } else if ((bp = TAILQ_FIRST(&bufqueues[QUEUE_LRU]))) { if (bp->b_qindex != QUEUE_LRU) panic("getnewbuf: inconsistent LRU queue, qindex=%d", bp->b_qindex); @@ -783,7 +783,7 @@ trytofreespace: (vmiospace < maxvmiobufspace)) { --bp->b_usecount; TAILQ_REMOVE(&bufqueues[QUEUE_LRU], bp, b_freelist); - if (bufqueues[QUEUE_LRU].tqh_first != NULL) { + if (TAILQ_FIRST(&bufqueues[QUEUE_LRU]) != NULL) { TAILQ_INSERT_TAIL(&bufqueues[QUEUE_LRU], bp, b_freelist); goto start; } @@ -1498,9 +1498,9 @@ count_lock_queue() struct buf *bp; count = 0; - for (bp = bufqueues[QUEUE_LOCKED].tqh_first; + for (bp = TAILQ_FIRST(&bufqueues[QUEUE_LOCKED]); bp != NULL; - bp = bp->b_freelist.tqe_next) + bp = TAILQ_NEXT(bp, b_freelist)) count++; return (count); } @@ -1663,7 +1663,6 @@ vfs_clean_pages(struct buf * bp) void vfs_bio_clrbuf(struct buf *bp) { int i; - int remapbuffer = 0; if( bp->b_flags & B_VMIO) { if( (bp->b_npages == 1) && (bp->b_bufsize < PAGE_SIZE)) { int mask; @@ -1691,14 +1690,12 @@ vfs_bio_clrbuf(struct buf *bp) { bzero(bp->b_data + (i << PAGE_SHIFT) + j * DEV_BSIZE, DEV_BSIZE); } } - bp->b_pages[i]->valid = VM_PAGE_BITS_ALL; + /* bp->b_pages[i]->valid = VM_PAGE_BITS_ALL; */ } bp->b_resid = 0; } else { clrbuf(bp); } - if (remapbuffer) - pmap_qenter(trunc_page(bp->b_data), bp->b_pages, bp->b_npages); } /* |
