diff options
| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2024-08-12 09:42:03 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-04 06:15:33 +0200 |
| commit | 50f381eccefda0cdaf7aa617587dc04cb6652085 (patch) | |
| tree | 42838b59030bf25d781623413e34501e9593c1ed /mm/shmem.c | |
| parent | mm: swap: extend swap_shmem_alloc() to support batch SWAP_MAP_SHMEM flag setting (diff) | |
| download | linux-50f381eccefda0cdaf7aa617587dc04cb6652085.tar.xz linux-50f381eccefda0cdaf7aa617587dc04cb6652085.zip | |
mm: shmem: extend shmem_partial_swap_usage() to support large folio swap
To support shmem large folio swapout in the following patches, using
xa_get_order() to get the order of the swap entry to calculate the swap
usage of shmem.
Link: https://lkml.kernel.org/r/60b130b9fc3e422bb91293a172c2113c85e9233a.1723434324.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Chris Li <chrisl@kernel.org>
Cc: Daniel Gomez <da.gomez@samsung.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Lance Yang <ioworker0@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Pankaj Raghav <p.raghav@samsung.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 22cdc10f27ea..02fb188d627f 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -890,7 +890,7 @@ unsigned long shmem_partial_swap_usage(struct address_space *mapping, if (xas_retry(&xas, page)) continue; if (xa_is_value(page)) - swapped++; + swapped += 1 << xa_get_order(xas.xa, xas.xa_index); if (xas.xa_index == max) break; if (need_resched()) { |