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[ Upstream commit5bedf8aa03] Since proc_dointvec does not perform value range control, proc_dointvec_minmax should be used to limit value range, which is clearly intended here, as the internal representation of the value: unsigned int alloc_pgste:1; In fact it currently works, since we have mm->context.alloc_pgste = page_table_allocate_pgste || ... ... since commit23fefe119c("s390/kvm: avoid global config of vm.alloc_pgste=1") Before that it was mm->context.alloc_pgste = page_table_allocate_pgste; which was broken. That was introduced with commit0b46e0a3ec("s390/kvm: remove delayed reallocation of page tables for KVM"). Fixes:0b46e0a3ec("s390/kvm: remove delayed reallocation of page tables for KVM") Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.