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If !area->pages statement is true where memory allocation fails, area is freed. In this case 'area->pages = pages' should not executed. So move 'area->pages = pages' after if statement. [akpm@linux-foundation.org: give area->pages the same treatment] Link: http://lkml.kernel.org/r/20190830035716.GA190684@LGEARND20B15 Signed-off-by: Austin Kim <austindh.kim@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Uladzislau Rezki (Sony) <urezki@gmail.com> Cc: Roman Gushchin <guro@fb.com> Cc: Roman Penyaev <rpenyaev@suse.de> Cc: Rick Edgecombe <rick.p.edgecombe@intel.com> Cc: Mike Rapoport <rppt@linux.ibm.com> Cc: Andrey Ryabinin <aryabinin@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.