diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2011-05-29 08:03:11 -0400 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2011-05-29 08:03:11 -0400 |
| commit | 5f43ba2950414dc0abf4ac44c397d88069056746 (patch) | |
| tree | f80df9947ef30f965d9c33e649d1856f1e47220f /include/linux | |
| parent | bda8efec5c706a672e0714d341a342e811f0262a (diff) | |
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')
| -rw-r--r-- | include/linux/dm-kcopyd.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/dm-kcopyd.h b/include/linux/dm-kcopyd.h index 5db216311695..312513d4741a 100644 --- a/include/linux/dm-kcopyd.h +++ b/include/linux/dm-kcopyd.h | |||
| @@ -25,8 +25,7 @@ | |||
| 25 | * To use kcopyd you must first create a dm_kcopyd_client object. | 25 | * To use kcopyd you must first create a dm_kcopyd_client object. |
| 26 | */ | 26 | */ |
| 27 | struct dm_kcopyd_client; | 27 | struct dm_kcopyd_client; |
| 28 | int dm_kcopyd_client_create(unsigned num_pages, | 28 | int dm_kcopyd_client_create(struct dm_kcopyd_client **result); |
| 29 | struct dm_kcopyd_client **result); | ||
| 30 | void dm_kcopyd_client_destroy(struct dm_kcopyd_client *kc); | 29 | void dm_kcopyd_client_destroy(struct dm_kcopyd_client *kc); |
| 31 | 30 | ||
| 32 | /* | 31 | /* |