tree f80df9947ef30f965d9c33e649d1856f1e47220f
parent bda8efec5c706a672e0714d341a342e811f0262a
author Mikulas Patocka <mpatocka@redhat.com> 1306670591 +0100
committer Alasdair G Kergon <agk@redhat.com> 1306670591 +0100

dm kcopyd: reserve fewer pages

Reserve just the minimum of pages needed to process one job.

Because we allocate pages from page allocator, we don't need to reserve
a large number of pages.  The maximum job size is SUB_JOB_SIZE and we
calculate the number of reserved pages based on this.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>