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d406d26745
When smb3_init_transform_rq() was being called with requests (@old_rq) which had no pages, it was unnecessarily allocating a single page for every request in @new_rq. Fix this by skipping page array allocation when requests have no pages (e.g. !smb_rqst::rq_npages). Also get rid of deprecated kmap() and use kmap_local_page() instead while we're at it. Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Signed-off-by: Steve French <stfrench@microsoft.com>
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.