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| author | David Hildenbrand <[email protected]> | 2023-01-13 18:10:25 +0100 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2023-02-02 22:33:11 -0800 |
| commit | f5c3fe300c5b40ff9af5ce2c9dd9897e91ce5735 (patch) | |
| tree | 361214b118d6b89ec73e790b985128cb18a41570 /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | 93c0eac40d4e3ce4d5a3c6e0dc74eceaf8f63e0d (diff) | |
xtensa/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE
Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE by using bit 1. This bit
should be safe to use for our usecase.
Most importantly, we can still distinguish swap PTEs from PAGE_NONE PTEs
(see pte_present()) and don't use one of the two reserved attribute masks
(1101 and 1111). Attribute mask 1100 and 1110 now identify swap PTEs.
While at it, remove SWP_TYPE_BITS (not really helpful as it's not used in
the actual swap macros) and mask the type in __swp_entry().
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: David Hildenbrand <[email protected]>
Cc: Chris Zankel <[email protected]>
Cc: Max Filippov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions