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Commiteb3710efff("LoongArch: Add support to clone a time namespace") backports the TIMENS support for LoongArch (corresponding upstream commitaa5e65dc08) but causes build errors: CC arch/loongarch/kernel/vdso.o arch/loongarch/kernel/vdso.c: In function ‘vvar_fault’: arch/loongarch/kernel/vdso.c:54:36: error: implicit declaration of function ‘find_timens_vvar_page’ [-Werror=implicit-function-declaration] 54 | struct page *timens_page = find_timens_vvar_page(vma); | ^~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/vdso.c:54:36: warning: initialization of ‘struct page *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion] arch/loongarch/kernel/vdso.c: In function ‘vdso_join_timens’: arch/loongarch/kernel/vdso.c:143:25: error: implicit declaration of function ‘zap_vma_pages’; did you mean ‘zap_vma_ptes’? [-Werror=implicit-function-declaration] 143 | zap_vma_pages(vma); | ^~~~~~~~~~~~~ | zap_vma_ptes cc1: some warnings being treated as errors Because in 6.1.y we should define find_timens_vvar_page() by ourselves and use zap_page_range() instead of zap_vma_pages(), so fix it. Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.