The straight backport of 5.12's e1baddf8475b ("mm/memcg: set memcg when splitting page") works fine in 5.11, but turned out to be wrong for 5.10: because that relies on a separate flag, which must also be set for the memcg to be recognized and uncharged and cleared when freeing. Fix that. Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
perf synthetic events: Avoid write of uninitialized memory when generating PERF_RECORD_MMAP* records
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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