On Tue, Feb 14, 2017 at 10:27:01PM +0100, Arnd Bergmann wrote: > With 4 levels of 16KB pages, we get this warning about the fact that we are > copying a whole page into an array that is declared as having only two > pointers > for the top level of the page table: > > arch/arm64/mm/mmu.c: In function 'paging_init': > arch/arm64/mm/mmu.c:528:2: error: 'memcpy' writing 16384 bytes into a region > of size 16 overflows the destination [-Werror=stringop-overflow=] > > This is harmless since we actually reserve a whole page in the definition of > the > array that comes from, and just the extern declaration is short. The pgdir > is initialized to zero either way, so copying the actual entries here seems > like the best solution.
Thanks, I'll queue this up for 4.11 with the acks. Will
