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Nick Piggin d0217ac04c mm: fault feedback #1 
Change ->fault prototype.  We now return an int, which contains
VM_FAULT_xxx code in the low byte, and FAULT_RET_xxx code in the next byte.
 FAULT_RET_ code tells the VM whether a page was found, whether it has been
locked, and potentially other things.  This is not quite the way he wanted
it yet, but that's changed in the next patch (which requires changes to
arch code).

This means we no longer set VM_CAN_INVALIDATE in the vma in order to say
that a page is locked which requires filemap_nopage to go away (because we
can no longer remain backward compatible without that flag), but we were
going to do that anyway.

struct fault_data is renamed to struct vm_fault as Linus asked. address
is now a void __user * that we should firmly encourage drivers not to use
without really good reason.

The page is now returned via a page pointer in the vm_fault struct.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2007-07-19 10:04:41 -07:00
..
linux-2.6 mm: fault feedback #1 2007-07-19 10:04:41 -07:00
quota mm: clean up and kernelify shrinker registration 2007-07-17 10:23:00 -07:00
support [XFS] reducing the number of random number functions. 2007-05-08 13:49:03 +10:00
Kbuild
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Kconfig
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Makefile
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Makefile-linux-2.6 [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs.h [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_acl.c [XFS] Remove unused header files for MAC and CAP checking functionality. 2007-02-10 18:37:28 +11:00
xfs_acl.h
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xfs_ag.h [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_alloc.c [XFS] Clean up function name handling in tracing code 2007-07-14 15:41:24 +10:00
xfs_alloc.h [XFS] Lazy Superblock Counters 2007-07-14 15:28:50 +10:00
xfs_alloc_btree.c [XFS] Lazy Superblock Counters 2007-07-14 15:28:50 +10:00
xfs_alloc_btree.h [XFS] Remove unused arguments from the XFS_BTREE_*_ADDR macros. 2007-02-10 18:37:33 +11:00
xfs_arch.h
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xfs_attr.c [XFS] The last argument "lsn" of xfs_trans_commit() is always called with 2007-05-08 13:48:42 +10:00
xfs_attr.h
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xfs_attr_leaf.c [XFS] The last argument "lsn" of xfs_trans_commit() is always called with 2007-05-08 13:48:42 +10:00
xfs_attr_leaf.h
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xfs_attr_sf.h
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xfs_behavior.c
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xfs_behavior.h
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xfs_bit.c [XFS] Kill off xfs_count_bits 2007-07-14 15:36:43 +10:00
xfs_bit.h [XFS] Kill off xfs_count_bits 2007-07-14 15:36:43 +10:00
xfs_bmap.c [XFS] Clean up function name handling in tracing code 2007-07-14 15:41:24 +10:00
xfs_bmap.h [XFS] Clean up function name handling in tracing code 2007-07-14 15:41:24 +10:00
xfs_bmap_btree.c [XFS] Clean up function name handling in tracing code 2007-07-14 15:41:24 +10:00
xfs_bmap_btree.h [XFS] Remove a bunch of unused functions from XFS. 2007-02-10 18:37:40 +11:00
xfs_btree.c
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xfs_btree.h [XFS] Simplify XFS min/max macros. 2007-07-14 15:36:53 +10:00
xfs_buf_item.c [XFS] Kill off xfs_count_bits 2007-07-14 15:36:43 +10:00
xfs_buf_item.h [XFS] Get rid of old 5.3/6.1 v1 log items. Cleanup patch sent in by Eric 2007-02-10 18:35:02 +11:00
xfs_clnt.h [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_da_btree.c [XFS] Remove a bunch of unused functions from XFS. 2007-02-10 18:37:40 +11:00
xfs_da_btree.h [XFS] Remove a bunch of unused functions from XFS. 2007-02-10 18:37:40 +11:00
xfs_dfrag.c [XFS] propogate return codes from flush routines 2007-05-08 13:49:27 +10:00
xfs_dfrag.h
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xfs_dinode.h [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_dir2.c [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2.h
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xfs_dir2_block.c [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_block.h [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_data.c [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_data.h [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_leaf.c [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_leaf.h [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_node.c [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_node.h [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_sf.c [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_sf.h [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_trace.c
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xfs_dir2_trace.h
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xfs_dmapi.h
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xfs_dmops.c
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xfs_error.c [XFS] reducing the number of random number functions. 2007-05-08 13:49:03 +10:00
xfs_error.h [XFS] Remove a bunch of unused functions from XFS. 2007-02-10 18:37:40 +11:00
xfs_extfree_item.c [XFS] Keep stack usage down for 4k stacks by using noinline. 2007-02-10 18:34:56 +11:00
xfs_extfree_item.h
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xfs_filestream.c [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_filestream.h [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_fs.h [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_fsops.c [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_fsops.h
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xfs_ialloc.c [XFS] Lazy Superblock Counters 2007-07-14 15:28:50 +10:00
xfs_ialloc.h [XFS] Lazy Superblock Counters 2007-07-14 15:28:50 +10:00
xfs_ialloc_btree.c
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xfs_ialloc_btree.h [XFS] Remove unused arguments from the XFS_BTREE_*_ADDR macros. 2007-02-10 18:37:33 +11:00
xfs_iget.c [XFS] Add lockdep support for XFS 2007-05-08 13:50:19 +10:00
xfs_imap.h
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xfs_inode.c [XFS] Clean up function name handling in tracing code 2007-07-14 15:41:24 +10:00
xfs_inode.h [XFS] Fix lockdep annotations for xfs_lock_inodes 2007-07-14 18:09:42 +10:00
xfs_inode_item.c [XFS] Keep stack usage down for 4k stacks by using noinline. 2007-02-10 18:34:56 +11:00
xfs_inode_item.h
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xfs_inum.h
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xfs_iocore.c [XFS] Fix to prevent the notorious 'NULL files' problem after a crash. 2007-05-08 13:49:46 +10:00
xfs_iomap.c [XFS] Cleanup inode extent size hint extraction 2007-07-14 15:35:36 +10:00
xfs_iomap.h [XFS] Fix to prevent the notorious 'NULL files' problem after a crash. 2007-05-08 13:49:46 +10:00
xfs_itable.c [XFS] Fix XFS_IOC_FSBULKSTAT{,_SINGLE} & XFS_IOC_FSINUMBERS in compat mode 2007-07-14 15:42:50 +10:00
xfs_itable.h [XFS] Fix XFS_IOC_FSBULKSTAT{,_SINGLE} & XFS_IOC_FSINUMBERS in compat mode 2007-07-14 15:42:50 +10:00
xfs_log.c [XFS] Lazy Superblock Counters 2007-07-14 15:28:50 +10:00
xfs_log.h
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xfs_log_priv.h
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xfs_log_recover.c [XFS] Lazy Superblock Counters 2007-07-14 15:28:50 +10:00
xfs_log_recover.h
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xfs_mount.c [XFS] Use do_div() on 64 bit types. 2007-07-14 15:36:08 +10:00
xfs_mount.h [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_mru_cache.c [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_mru_cache.h [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_qmops.c [XFS] The last argument "lsn" of xfs_trans_commit() is always called with 2007-05-08 13:48:42 +10:00
xfs_quota.h [XFS] Fix uquota and oquota enforcement problems. 2007-05-08 13:49:33 +10:00
xfs_refcache.h
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xfs_rename.c [XFS] The last argument "lsn" of xfs_trans_commit() is always called with 2007-05-08 13:48:42 +10:00
xfs_rtalloc.c [XFS] Don't grow filesystems past the size they can index. 2007-07-14 15:21:29 +10:00
xfs_rtalloc.h [XFS] Remove a bunch of unused functions from XFS. 2007-02-10 18:37:40 +11:00
xfs_rw.c [XFS] The last argument "lsn" of xfs_trans_commit() is always called with 2007-05-08 13:48:42 +10:00
xfs_rw.h [XFS] Cleanup inode extent size hint extraction 2007-07-14 15:35:36 +10:00
xfs_sb.h [XFS] Lazy Superblock Counters 2007-07-14 15:28:50 +10:00
xfs_trans.c [XFS] Apply transaction delta counts atomically to incore counters 2007-07-14 15:32:09 +10:00
xfs_trans.h [XFS] Lazy Superblock Counters 2007-07-14 15:28:50 +10:00
xfs_trans_ail.c [XFS] Workaround log space issue by increasing XFS_TRANS_PUSH_AIL_RESTARTS 2007-02-10 18:35:52 +11:00
xfs_trans_buf.c
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xfs_trans_extfree.c
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xfs_trans_inode.c
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xfs_trans_item.c
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xfs_trans_priv.h
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xfs_trans_space.h
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xfs_types.h
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xfs_utils.c [XFS] propogate return codes from flush routines 2007-05-08 13:49:27 +10:00
xfs_utils.h
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xfs_vfsops.c [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_vnodeops.c [XFS] Fix lockdep annotations for xfs_lock_inodes 2007-07-14 18:09:42 +10:00