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| author | T.J. Alumbaugh <talumbau@google.com> | 2023-01-18 01:18:22 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-03 07:33:26 +0100 |
| commit | db19a43d9b3a8876552f00f656008206ef9a5efa (patch) | |
| tree | 292b4d2091feacee998b664eeac0e5a3fdfc20be /mm/vmscan.c | |
| parent | mm: multi-gen LRU: section for working set protection (diff) | |
| download | linux-db19a43d9b3a8876552f00f656008206ef9a5efa.tar.xz linux-db19a43d9b3a8876552f00f656008206ef9a5efa.zip | |
mm: multi-gen LRU: section for rmap/PT walk feedback
Add a section for lru_gen_look_around() in the code and the design doc.
Link: https://lkml.kernel.org/r/20230118001827.1040870-3-talumbau@google.com
Signed-off-by: T.J. Alumbaugh <talumbau@google.com>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index a741765896b6..eb9263bf6806 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -4569,6 +4569,10 @@ static void lru_gen_age_node(struct pglist_data *pgdat, struct scan_control *sc) } } +/****************************************************************************** + * rmap/PT walk feedback + ******************************************************************************/ + /* * This function exploits spatial locality when shrink_folio_list() walks the * rmap. It scans the adjacent PTEs of a young PTE and promotes hot pages. If |