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9333fe98d0
Extend the find_vmap_lowest_match() function with one more parameter. It is "adjust_search_size" boolean variable, so it is possible to control an accuracy of search block if a specific alignment is required. With this patch, a search size is always adjusted, to serve a request as fast as possible because of performance reason. But there is one exception though, it is short ranges where requested size corresponds to passed vstart/vend restriction together with a specific alignment request. In such scenario an adjustment wold not lead to success allocation. Link: https://lkml.kernel.org/r/20220119143540.601149-2-urezki@gmail.com Signed-off-by: Uladzislau Rezki <uladzislau.rezki@sony.com> Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Matthew Wilcox <willy@infradead.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com> Cc: Vasily Averin <vvs@virtuozzo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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.