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author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-02-10 14:09:59 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-10 14:30:31 -0800 |
commit | 27ba0644ea9dfe6e7693abc85837b60e40583b96 (patch) | |
tree | a1e04ba5026728711bde87cb2f336d2444ee6ffe /include/linux/fs.h | |
parent | 1da4b35b001481df99a6dcab12d5d39a876f7056 (diff) | |
download | blackbird-op-linux-27ba0644ea9dfe6e7693abc85837b60e40583b96.tar.gz blackbird-op-linux-27ba0644ea9dfe6e7693abc85837b60e40583b96.zip |
rmap: drop support of non-linear mappings
We don't create non-linear mappings anymore. Let's drop code which
handles them in rmap.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r-- | include/linux/fs.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 47f557c7ef7e..60acab209701 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -401,7 +401,6 @@ struct address_space { spinlock_t tree_lock; /* and lock protecting it */ atomic_t i_mmap_writable;/* count VM_SHARED mappings */ struct rb_root i_mmap; /* tree of private and shared mappings */ - struct list_head i_mmap_nonlinear;/*list VM_NONLINEAR mappings */ struct rw_semaphore i_mmap_rwsem; /* protect tree, count, list */ /* Protected by tree_lock together with the radix tree */ unsigned long nrpages; /* number of total pages */ @@ -493,8 +492,7 @@ static inline void i_mmap_unlock_read(struct address_space *mapping) */ static inline int mapping_mapped(struct address_space *mapping) { - return !RB_EMPTY_ROOT(&mapping->i_mmap) || - !list_empty(&mapping->i_mmap_nonlinear); + return !RB_EMPTY_ROOT(&mapping->i_mmap); } /* |