diff options
| author | Thomas Gleixner <[email protected]> | 2018-09-17 16:29:13 +0200 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2018-09-27 20:39:38 +0200 |
| commit | 69c31e69df3d2efc4ad7f53d500fdd920d3865a4 (patch) | |
| tree | 0615952a93400f07f1529dcb3d063f5dc4177a11 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 5c280cf6081ff99078e28b51172d78359f194fd9 (diff) | |
x86/mm/cpa: Avoid static protection checks on unmap
If the new pgprot has the PRESENT bit cleared, then conflicts vs. RW/NX are
completely irrelevant.
Before:
1G pages checked: 2
1G pages sameprot: 0
1G pages preserved: 0
2M pages checked: 540
2M pages sameprot: 466
2M pages preserved: 47
4K pages checked: 800770
4K pages set-checked: 7668
After:
1G pages checked: 2
1G pages sameprot: 0
1G pages preserved: 0
2M pages checked: 540
2M pages sameprot: 466
2M pages preserved: 47
4K pages checked: 800709
4K pages set-checked: 7668
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Dave Hansen <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Bin Yang <[email protected]>
Cc: Mark Gross <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions