Fix page_owner broken on arm64
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- v1 Latest2 patches 8 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | stacktrace: Move struct stacktrace_cookie to stacktrace.hinclude/ kernel/ | +7 | 0 replies | |
| 2/2 | arm64: stacktrace: Add skip when task == currentarch/ | +3 | 7 replies |
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Cover letter [PATCH 0/2] Fix page_owner broken on arm64
On arm64, cat /sys/kernel/debug/page_owner
All pages return the same stack
stack_trace_save+0x4c/0x78 register_early_stack+0x34/0x70 init_page_owner+0x34/0x230 page_ext_init+0x1bc/0x1dc
The reason is arch_stack_walk save 2 more entries than before.
To fix it, add skip in arch_stack_walk
*** BLURB HERE ***
1. Prepare for 2, move stacktrace_cookie to .h
2. Fix the problem
Chen Jun (2):
stacktrace: Move struct stacktrace_cookie to stacktrace.h
arm64: stacktrace: Add skip when task == current
arch/arm64/kernel/stacktrace.c | 5 +++-- include/linux/stacktrace.h | 7 +++++++ kernel/stacktrace.c | 7 ------- 3 files changed, 10 insertions(+), 9 deletions(-)
Signature · 1 line
2.9.4