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| 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 /lib/smp_processor_id.c | |
| parent | 9cf79d115f0d161b63161650f14ff903e4c57937 (diff) | |
| download | op-kernel-dev-9d2a8da006fcbf2dea663c095f0a0088dfbbec15.zip op-kernel-dev-9d2a8da006fcbf2dea663c095f0a0088dfbbec15.tar.gz | |
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 'lib/smp_processor_id.c')
0 files changed, 0 insertions, 0 deletions
