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Commit19809c2da2("mm, vmalloc: use __GFP_HIGHMEM implicitly") added use of __GFP_HIGHMEM for allocations. vmalloc_32 may use GFP_DMA/GFP_DMA32 which does not play nice with __GFP_HIGHMEM and will trigger a BUG in gfp_zone. Only add __GFP_HIGHMEM if we aren't using GFP_DMA/GFP_DMA32. Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1482249 Link: http://lkml.kernel.org/r/20170816220705.31374-1-labbott@redhat.com Fixes:19809c2da2("mm, vmalloc: use __GFP_HIGHMEM implicitly") Signed-off-by: Laura Abbott <labbott@redhat.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.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.