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pool->size_class array elements can't be NULL, so this check is not needed. In the whole code, we assign pool->size_class[i] values that are not NULL. Releasing memory for these values occurs in the zs_destroy_pool() function, which also releases and destroys the pool. In addition, in the zs_stats_size_show() and async_free_zspage(), with similar iterations over the array, we don't check it for NULL pointer. Link: https://lkml.kernel.org/r/20220811153755.16102-3-avromanov@sberdevices.ru Signed-off-by: Alexey Romanov <avromanov@sberdevices.ru> Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: Minchan Kim <minchan@kernel.org> Cc: Nitin Gupta <ngupta@vflare.org> 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.