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| author | Alexander Gordeev <agordeev@linux.ibm.com> | 2025-01-23 19:03:49 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-01-26 07:42:30 +0300 |
| commit | 502269ab98b5b31428be23aa3871d297d916a90b (patch) | |
| tree | f25d03a5dc23a935720c40c90b16af04f5b67231 /tools/perf/scripts/python/mem-phys-addr.py | |
| parent | 0e81f6e441e4b461fbe18559651445b18240ab4e (diff) | |
| download | linux-502269ab98b5b31428be23aa3871d297d916a90b.tar.xz | |
s390/mm: add missing ctor/dtor on page table upgrade
Commit 78966b550289 ("s390: pgtable: add statistics for PUD and P4D level
page table") misses the call to pagetable_p4d_ctor() against a newly
allocated P4D table in crst_table_upgrade();
Commit 68c601de75d8 ("mm: introduce ctor/dtor at PGD level") misses the
call to pagetable_pgd_ctor() against a newly allocated PGD and the call to
pagetable_dtor() against a newly allocated P4D that is about to be freed
on crst_table_upgrade() PGD upgrade fail path.
The missed constructors and destructor break (at least) the page table
accounting when a process memory space is upgraded.
Link: https://lkml.kernel.org/r/20250123160349.200154-1-agordeev@linux.ibm.com
Fixes: 78966b550289 ("s390: pgtable: add statistics for PUD and P4D level page table")
Fixes: 68c601de75d8 ("mm: introduce ctor/dtor at PGD level")
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reported-by: Heiko Carstens <hca@linux.ibm.com>
Closes: https://lore.kernel.org/all/20250122074954.8685-A-hca@linux.ibm.com/
Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Acked-by: Qi Zheng <zhengqi.arch@bytedance.com>
Reviewed-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/mem-phys-addr.py')
0 files changed, 0 insertions, 0 deletions