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76a5433f95
The new sample type, PERF_SAMPLE_DATA_PAGE_SIZE, requires the virtual address. Update the data->addr if the sample type is set. The large PEBS is disabled with the sample type, because perf doesn't support munmap tracking yet. The PEBS buffer for large PEBS cannot be flushed for each munmap. Wrong page size may be calculated. The large PEBS can be enabled later separately when munmap tracking is supported. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20201001135749.2804-3-kan.liang@linux.intel.com
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.