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| author |   Baolin Wang <baolin.wang@linux.alibaba.com> | 2024-08-12 15:42:08 +0800 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2024-09-03 21:15:35 -0700 |
| commit | 872339c31f3b2dd466320a5bed54abeccf0db47b (patch) | |
| tree | 282babad94e2c1c8ed0e824720ee83ad79be3083 /mm/vmscan.c | |
| parent | mm: shmem: support large folio allocation for shmem_replace_folio() (diff) | |
| download | wireguard-linux-872339c31f3b2dd466320a5bed54abeccf0db47b.tar.xz wireguard-linux-872339c31f3b2dd466320a5bed54abeccf0db47b.zip | |
mm: shmem: drop folio reference count using 'nr_pages' in shmem_delete_from_page_cache()
To support large folio swapin/swapout for shmem in the following patches,
drop the folio's reference count by the number of pages contained in the
folio when a shmem folio is deleted from shmem pagecache after adding into
swap cache.
Link: https://lkml.kernel.org/r/b371eadb27f42fc51261c51008fbb9a334985b4c.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/vmscan.c')
0 files changed, 0 insertions, 0 deletions