highmem: mark k[un]map_atomic() with two arguments as deprecated

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For backward compatibility, we still keep the deprecated form,
and will warn the users if they still use the deprecated one, like this:

drivers/block/drbd/drbd_bitmap.c: In function ‘bm_page_io_async’:
drivers/block/drbd/drbd_bitmap.c:973:3: warning: ‘kmap_atomic_deprecated’ is deprecated (declared at /home/wangcong/linux-2.6/include/linux/highmem.h:124)
drivers/block/drbd/drbd_bitmap.c:977:3: warning: ‘kunmap_atomic_deprecated’ is deprecated (declared at /home/wangcong/linux-2.6/include/linux/highmem.h:144)

Thanks to Nick Bowler for the cpp trick!

Cc: Cesar Eduardo Barros <cesarb@cesarb.net>
Cc: Nick Bowler <nbowler@elliptictech.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Cong Wang <amwang@redhat.com>

...

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Cong Wang 2011-11-25 22:08:45 +08:00 • committed by Cong Wang

parent c16fa4f2ad

commit 980c19e3f8

1 changed files with 46 additions and 6 deletions

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include/linux/highmem.h

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