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| author | Joel Stanley <[email protected]> | 2021-08-19 06:52:00 +0000 |
|---|---|---|
| committer | Joel Stanley <[email protected]> | 2021-08-19 07:02:20 +0000 |
| commit | 66a68b0be4ffef6a30d6b40ac1da87d6eaa8cbbf (patch) | |
| tree | b8c2357d5f18c4908d2eb2312219db2fe17f083c /tools/perf/scripts/python/sched-migration.py | |
| parent | Linux 5.14-rc2 (diff) | |
| download | kernel-66a68b0be4ffef6a30d6b40ac1da87d6eaa8cbbf.tar.gz kernel-66a68b0be4ffef6a30d6b40ac1da87d6eaa8cbbf.zip | |
ARM: config: aspeed: Enable hardened allocator feature
SLAB_FREELIST_HARDENED can protect from freelist overwrite attacks with
really small overhead.
It works best with the SLUB allocator, so make SLUB the default by
removing SLAB=y.
total used free shared buff/cache available
SLAB 425596 44065.3+/-220 311099+/-3800 14864+/-3900 70432+/-3700 352767+/-3900
SLUB 425592 44225.3+/-280 313275+/-600 12132+/-3.3 68092+/-530 355295+/-280
These figures are the average memory usage from three boots of each
option in qemu, running the Romulus userspace. The output is from
free(1), reported in kilobytes.
Signed-off-by: Joel Stanley <[email protected]>
Reviewed-by: Andrew Jeffery <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Joel Stanley <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/sched-migration.py')
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