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2dd710d476
Inexact, we may reject some not-overflowing values incorrectly, but they'll be on the order of exabytes allowed anyways. This fixes divide error crash on x86 if bps_limit is not configured or is set too high in the rare case that jiffy_elapsed is greater than HZ. Fixes:e8368b57c0("blk-throttle: use calculate_io/bytes_allowed() for throtl_trim_slice()") Fixes:8d6bbaada2("blk-throttle: prevent overflow while calculating wait time") Signed-off-by: Khazhismel Kumykov <khazhy@google.com> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20231020223617.2739774-1-khazhy@google.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.