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| author | Dave Hansen <[email protected]> | 2014-09-18 19:56:06 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2014-09-19 10:48:02 +0000 |
| commit | beb9147e95a75f41c984d7235cf6d59f3ca2d5db (patch) | |
| tree | d1cc1f24978e29bb2c51149cfe8cc6a6df854971 /tools/perf/scripts/python/check-perf-trace.py | |
| parent | x86/mm, hibernate: Do not assume the first e820 area to be RAM (diff) | |
| download | kernel-beb9147e95a75f41c984d7235cf6d59f3ca2d5db.tar.gz kernel-beb9147e95a75f41c984d7235cf6d59f3ca2d5db.zip | |
x86/mm: Update memory map description to list hypervisor-reserved area
Peter Anvin says:
> 0xffff880000000000 is the lowest usable address because we have
> agreed to leave 0xffff800000000000-0xffff880000000000 for the
> hypervisor or other non-OS uses.
Let's call this out in the documentation.
This came up during the kernel address sanitizer discussions
where it was proposed to use this area for other kernel things.
Signed-off-by: Dave Hansen <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/check-perf-trace.py')
0 files changed, 0 insertions, 0 deletions