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MMU notifiers can sleep, but in page_mkclean_one() we call mmu_notifier_invalidate_page() under page table lock. Let's instead use mmu_notifier_invalidate_range() outside page_vma_mapped_walk() loop. [jglisse@redhat.com: try_to_unmap_one() do not call mmu_notifier under ptl] Link: http://lkml.kernel.org/r/20170809204333.27485-1-jglisse@redhat.com Link: http://lkml.kernel.org/r/20170804134928.l4klfcnqatni7vsc@black.fi.intel.com Fixes: c7ab0d2fdc84 ("mm: convert try_to_unmap_one() to use page_vma_mapped_walk()") Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Reported-by: axie <axie@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Writer, Tim" <Tim.Writer@amd.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.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.