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| author | Jisheng Zhang <jszhang@marvell.com> | 2016-06-08 10:53:46 +0300 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2016-06-21 18:54:53 +0300 |
| commit | b67a8b29df7e6410c605c2759707c96512b15578 (patch) | |
| tree | 8917ea75962d34806f07f38d1281b70b1871c1cd /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 83ce0efc12811c1b11f71a8164949ff4f6117054 (diff) | |
| download | linux-b67a8b29df7e6410c605c2759707c96512b15578.tar.xz | |
arm64: mm: only initialize swiotlb when necessary
we only initialize swiotlb when swiotlb_force is true or not all system
memory is DMA-able, this trivial optimization saves us 64MB when
swiotlb is not necessary.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions