| commit | de88d0d28fe932637eb5b7ebf9e638256cf07979 | [log] [tgz] |
|---|---|---|
| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | Fri Dec 05 16:41:47 2014 +0100 |
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Mon Dec 08 09:42:44 2014 +0100 |
| tree | 832876b01901d8c29c09ea170bc69f8dacfec25d | |
| parent | 9d4df77fab7347a74a9938521ffad8d8fab2671d [diff] |
s390/scm_block: allocate aidaw pages only when necessary AOBs (the structure describing the HW request) need to be 4K aligned but very little of that page is actually used. With this patch we place aidaws at the end of the AOB page and only allocate a separate page for aidaws when we have to (lists of aidaws must not cross page boundaries). Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>