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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2015-06-25 15:02:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-06-25 17:00:40 -0700
commit9d2a8da006fcbf2dea663c095f0a0088dfbbec15 (patch)
tree822753e767183c408f675b3f274a0c6601102727 /tools/perf/scripts/python/call-graph-from-postgresql.py
parentbitmap: remove explicit newline handling using scnprintf format string (diff)
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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')
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