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authorMikulas Patocka <mpatocka@redhat.com>2011-05-29 13:03:11 +0100
committerAlasdair G Kergon <agk@redhat.com>2011-05-29 13:03:11 +0100
commit5f43ba2950414dc0abf4ac44c397d88069056746 (patch)
treef80df9947ef30f965d9c33e649d1856f1e47220f /include/linux/dm-kcopyd.h
parentbda8efec5c706a672e0714d341a342e811f0262a (diff)
downloadop-kernel-dev-5f43ba2950414dc0abf4ac44c397d88069056746.zip
op-kernel-dev-5f43ba2950414dc0abf4ac44c397d88069056746.tar.gz
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>
Diffstat (limited to 'include/linux/dm-kcopyd.h')
-rw-r--r--include/linux/dm-kcopyd.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/dm-kcopyd.h b/include/linux/dm-kcopyd.h
index 5db2163..312513d 100644
--- a/include/linux/dm-kcopyd.h
+++ b/include/linux/dm-kcopyd.h
@@ -25,8 +25,7 @@
* To use kcopyd you must first create a dm_kcopyd_client object.
*/
struct dm_kcopyd_client;
-int dm_kcopyd_client_create(unsigned num_pages,
- struct dm_kcopyd_client **result);
+int dm_kcopyd_client_create(struct dm_kcopyd_client **result);
void dm_kcopyd_client_destroy(struct dm_kcopyd_client *kc);
/*
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