Deyan Wang
ac4b2901a1
mm/page_alloc: update comments in __free_pages_ok()
Add a comment to explain why we call get_pfnblock_migratetype() twice in __free_pages_ok(). Link: https://lkml.kernel.org/r/20221201135045.31663-1-wonder_rock@126.com Signed-off-by: Deyan Wang <wonder_rock@126.com> Signed-off-by: Andrew Morton <akpm@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.
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