| commit | 7ad3d4d85c7af9632055a6ac0aa15b6b6a321c6b | [log] [tgz] |
|---|---|---|
| author | Matthew Wilcox <mawilcox@microsoft.com> | Fri Dec 16 11:55:56 2016 -0500 |
| committer | Matthew Wilcox <mawilcox@microsoft.com> | Mon Feb 13 21:44:01 2017 -0500 |
| tree | 1586a6c01ced64d24c67859d792140853b148d20 | |
| parent | 0a835c4f090af2c76fc2932c539c3b32fd21fbbb [diff] |
ida: Move ida_bitmap to a percpu variable When we preload the IDA, we allocate an IDA bitmap. Instead of storing that preallocated bitmap in the IDA, we store it in a percpu variable. Generally there are more IDAs in the system than CPUs, so this cuts down on the number of preallocated bitmaps that are unused, and about half of the IDA users did not call ida_destroy() so they were leaking IDA bitmaps. Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>