diff options
| author |   Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-06-25 15:02:19 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-25 17:00:40 -0700 |
| commit | 9d2a8da006fcbf2dea663c095f0a0088dfbbec15 (patch) | |
| tree | 822753e767183c408f675b3f274a0c6601102727 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | bitmap: remove explicit newline handling using scnprintf format string (diff) | |
| download | wireguard-linux-9d2a8da006fcbf2dea663c095f0a0088dfbbec15.tar.xz wireguard-linux-9d2a8da006fcbf2dea663c095f0a0088dfbbec15.zip | |
radix-tree: replace preallocated node array with linked list
Currently we use per-cpu array to hold pointers to preallocated nodes.
Let's replace it with linked list. On x86_64 it saves 256 bytes in
per-cpu ELF section which may translate into freeing up 2MB of memory for
NR_CPUS==8192.
[akpm@linux-foundation.org: fix comment, coding style]
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions