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IB/ipath: Convert from .nopage to .fault
Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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commit
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@ -55,7 +55,7 @@
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#define __IPATH_PKTDBG 0x80 /* print packet data */
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/* print process startup (init)/exit messages */
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#define __IPATH_PROCDBG 0x100
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/* print mmap/nopage stuff, not using VDBG any more */
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/* print mmap/fault stuff, not using VDBG any more */
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#define __IPATH_MMDBG 0x200
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#define __IPATH_ERRPKTDBG 0x400
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#define __IPATH_USER_SEND 0x1000 /* use user mode send */
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@ -81,7 +81,7 @@
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#define __IPATH_VERBDBG 0x0 /* very verbose debug */
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#define __IPATH_PKTDBG 0x0 /* print packet data */
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#define __IPATH_PROCDBG 0x0 /* process startup (init)/exit messages */
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/* print mmap/nopage stuff, not using VDBG any more */
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/* print mmap/fault stuff, not using VDBG any more */
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#define __IPATH_MMDBG 0x0
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#define __IPATH_EPKTDBG 0x0 /* print ethernet packet data */
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#define __IPATH_IPATHDBG 0x0 /* Ethernet (IPATH) table dump on */
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@ -1120,33 +1120,24 @@ bail:
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}
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/*
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* ipath_file_vma_nopage - handle a VMA page fault.
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* ipath_file_vma_fault - handle a VMA page fault.
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*/
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static struct page *ipath_file_vma_nopage(struct vm_area_struct *vma,
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unsigned long address, int *type)
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static int ipath_file_vma_fault(struct vm_area_struct *vma,
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struct vm_fault *vmf)
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{
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unsigned long offset = address - vma->vm_start;
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struct page *page = NOPAGE_SIGBUS;
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void *pageptr;
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struct page *page;
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/*
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* Convert the vmalloc address into a struct page.
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*/
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pageptr = (void *)(offset + (vma->vm_pgoff << PAGE_SHIFT));
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page = vmalloc_to_page(pageptr);
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page = vmalloc_to_page((void *)(vmf->pgoff << PAGE_SHIFT));
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if (!page)
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goto out;
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/* Increment the reference count. */
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return VM_FAULT_SIGBUS;
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get_page(page);
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if (type)
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*type = VM_FAULT_MINOR;
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out:
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return page;
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vmf->page = page;
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return 0;
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}
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static struct vm_operations_struct ipath_file_vm_ops = {
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.nopage = ipath_file_vma_nopage,
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.fault = ipath_file_vma_fault,
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};
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static int mmap_kvaddr(struct vm_area_struct *vma, u64 pgaddr,
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