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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-12-11 19:46:02 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-12-11 19:46:02 -0800 |
| commit | fb155c1619f056ae9765eed272cd6aba6e1a7399 (patch) | |
| tree | 04a82b5fbf83bdb9dcf7fec9aeaaecf92532d88c /mm/page_alloc.c | |
| parent | e4f5c82a92c2a546a16af1614114eec19120e40a (diff) | |
| download | blackbird-op-linux-fb155c1619f056ae9765eed272cd6aba6e1a7399.tar.gz blackbird-op-linux-fb155c1619f056ae9765eed272cd6aba6e1a7399.zip | |
Allow arbitrary shared PFNMAP's
A shared mapping doesn't cause COW-pages, so we don't need to worry
about the whole vm_pgoff logic to decide if a PFN-remapped page has
gone through COW or not.
This makes it possible to entirely avoid the special "partial remapping"
logic for the common case.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/page_alloc.c')
0 files changed, 0 insertions, 0 deletions
