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5202978b48
Patch series "A few cleanup and fixup patches for migration", v2. This series contains a few patches to remove unneeded variables, jump label and use helper to simplify the code. Also we fix some bugs such as page refcounts leak , invalid node access and so on. More details can be found in the respective changelogs. This patch (of 11): When mapping_locked is true, TTU_RMAP_LOCKED is always set to ttu. We can check ttu instead so mapping_locked can be removed. And ttu is either 0 or TTU_RMAP_LOCKED now. Change '|=' to '=' to reflect this. Link: https://lkml.kernel.org/r/20220318111709.60311-1-linmiaohe@huawei.com Link: https://lkml.kernel.org/r/20220318111709.60311-2-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Cc: Zi Yan <ziy@nvidia.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: "Huang, Ying" <ying.huang@intel.com> Cc: Muchun Song <songmuchun@bytedance.com> Cc: Alistair Popple <apopple@nvidia.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.