Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Mon, 08 Jun 2026 02:32:05 -0700 you wrote:

rds_info_getsockopt() pins the destination user pages with FOLL_WRITE and
the RDS_INFO_* producers memcpy the snapshot into them through
kmap_atomic(). Because that copy goes through the kernel direct map, the
dirty bit on the user PTE is never set, so unpin_user_pages() releases the
pages without marking them dirty. A file-backed destination page can then
be reclaimed without writeback, silently discarding the copied data.

[...]

Here is the summary with links:
  - [net] rds: mark snapshot pages dirty in rds_info_getsockopt()
    https://git.kernel.org/netdev/net/c/512db8267b73

You are awesome, thank you!
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