aeefb04393
When an 'after' map is generated the 'new' map must be before it so terminate iterating and don't resort. If the entry 'pos' is entirely overlapped by the 'new' mapping then don't remove and insert the mapping, just replace - again to remove sorting. For a perf report on a perf.data file containing overlapping mappings the time numbers are: Before: real 0m9.856s user 0m9.637s sys 0m0.204s After: real 0m5.894s user 0m5.650s sys 0m0.231s Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: James Clark <james.clark@arm.com> Cc: Steinar H . Gunderson <sesse@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20240521165109.708593-3-irogers@google.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 reStructuredText 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.