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Tonghao Zhang
398b841e4a
When CONFIG_PROC_FS is disabled, we will not use the prot_inuse counter. This adds an #ifdef to hide the variable definition in that case. This is not a bugfix. But we can save bytes when there are many network namespace. Cc: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Martin Zhang <zhangjunweimartin@didichuxing.com> Signed-off-by: Tonghao Zhang <zhangtonghao@didichuxing.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.