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Arnaldo Carvalho de Melo authored
So that in older systems we get it in the mmap flags scnprintf routines:

  $ tools/perf/trace/beauty/mmap_flags.sh  | head -9 2> /dev/null
  static const char *mmap_flags[] = {
  	[ilog2(0x40) + 1] = "32BIT",
  #ifndef MAP_32BIT
  #define MAP_32BIT 0x40
  #endif
  	[ilog2(0x01) + 1] = "SHARED",
  #ifndef MAP_SHARED
  #define MAP_SHARED 0x01
  #endif
  $

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
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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.