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.
Hao Chen
authored
Currently, when user queries page pool info by debugfs command "cat page_pool_info", the cnt of allocated page for page pool may be incorrect because of memory inconsistency problem caused by compiler optimization. So this patch uses READ_ONCE() to read value of pages_state_hold_cnt to fix this problem. Fixes: 850bfb91 ("net: hns3: debugfs add support dumping page pool info") Signed-off-by:Hao Chen <chenhao288@hisilicon.com> Signed-off-by:
Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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