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rmap: drop support of non-linear mappings

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We don't create non-linear mappings anymore.  Let's drop code which
handles them in rmap.

Signed-off-by: Kirill A. Shutemov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Kirill A. Shutemov 2015-02-10 14:09:59 -08:00 • committed by Linus Torvalds
commit 27ba0644ea
11 changed files with 18 additions and 300 deletions
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4
mm/swap.c
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@ -1140,10 +1140,8 @@ void __init swap_setup(void)
if (bdi_init(swapper_spaces[0].backing_dev_info))
panic("Failed to init swap bdi");
for (i = 0; i < MAX_SWAPFILES; i++) {
for (i = 0; i < MAX_SWAPFILES; i++)
spin_lock_init(&swapper_spaces[i].tree_lock);
INIT_LIST_HEAD(&swapper_spaces[i].i_mmap_nonlinear);
}
#endif
/* Use a smaller cluster for small-memory machines */