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| author | Rashmica Gupta <rashmica.g@gmail.com> | 2018-08-03 09:06:01 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-08-10 15:12:32 +0300 |
| commit | 24576a70e7dfa703617a5e7ae8e6cbd66cfb6e5d (patch) | |
| tree | 2d6165064f906ff72fcd93d7b16020d214a0bf18 /Documentation/ABI | |
| parent | d3da701d3308ce1fa457f32c6c9e2102aedea030 (diff) | |
| download | linux-24576a70e7dfa703617a5e7ae8e6cbd66cfb6e5d.tar.xz | |
Documentation: Update documentation on ppc-memtrace
Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/ppc-memtrace | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/ABI/testing/ppc-memtrace b/Documentation/ABI/testing/ppc-memtrace index 2e8b93741270..9606aed33137 100644 --- a/Documentation/ABI/testing/ppc-memtrace +++ b/Documentation/ABI/testing/ppc-memtrace @@ -13,10 +13,11 @@ Contact: linuxppc-dev@lists.ozlabs.org Description: Write an integer containing the size in bytes of the memory you want removed from each NUMA node to this file - it must be aligned to the memblock size. This amount of RAM will be removed - from the kernel mappings and the following debugfs files will be - created. This can only be successfully done once per boot. Once - memory is successfully removed from each node, the following - files are created. + from each NUMA node in the kernel mappings and the following + debugfs files will be created. Once memory is successfully + removed from each node, the following files are created. To + re-add memory to the kernel, echo 0 into this file (it will be + automatically onlined). What: /sys/kernel/debug/powerpc/memtrace/<node-id> Date: Aug 2017 |