Sunday, March 26th, 2017

Time	Event
3:39p	[$] Sharing pages between mappings In the memory-management subsystem, the term "mapping" refers to the connection between pages in memory and their backing store — the file that represents them on disk. One of the fundamental assumptions in the kernel is that a given page in the page cache belongs to exactly one mapping. But, as Miklos Szeredi explained in a plenary session at the 2017 Linux Storage, Filesystem, and Memory-Management Summit, there are situations where it would be desirable to associate the same page with multiple mappings. Achieving this goal may not be easy, though. Click below (subscribers only) for continuing coverage from LSFMM 2017 (Comment on this)
9:57p	Kernel prepatch 4.11-rc4 The 4.11-rc4 kernel prepatch is out for testing. "So on the whole things look fine. There's changes all over, and in mostly the usual proportions. Some core kernel code shows up in the diffstat slightly more than it usually does - we had an audit fix and a bpf hashmap fix, but on the whole it all looks very regular." (Comment on this)

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