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| author | Oscar Salvador <osalvador@suse.de> | 2024-02-15 22:59:04 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-02-23 17:48:17 -0800 |
| commit | 217b2119b9e260609958db413876f211038f00ee (patch) | |
| tree | 44878c86a43b10d7bfd3180d4def6f7fa558dae7 /mm/vmalloc.c | |
| parent | 4bedfb314bdd85c1662ecc46fa25b33b998f994d (diff) | |
| download | net-217b2119b9e260609958db413876f211038f00ee.tar.gz | |
mm,page_owner: implement the tracking of the stacks count
Implement {inc,dec}_stack_record_count() which increments or decrements on
respective allocation and free operations, via __reset_page_owner() (free
operation) and __set_page_owner() (alloc operation).
Newly allocated stack_record structs will be added to the list stack_list
via add_stack_record_to_list(). Modifications on the list are protected
via a spinlock with irqs disabled, since this code can also be reached
from IRQ context.
Link: https://lkml.kernel.org/r/20240215215907.20121-5-osalvador@suse.de
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
0 files changed, 0 insertions, 0 deletions