Fixes CVE-2020-10757 via upstream commit df4988aa1c96 ("mm: Fix mremap not considering huge pmd devmap"). Resolved merge conflict in the following patches: bcm27xx: 950-0128-gpiolib-Don-t-prevent-IRQ-usage-of-output-GPIOs.patch Refreshed patches, removed upstreamed patch: generic: 751-v5.8-net-dsa-mt7530-set-CPU-port-to-fallback-mode.patch generic: 754-v5.7-net-dsa-mt7530-fix-roaming-from-DSA-user-ports.patch Run tested: qemu-x86-64 Build tested: x86/64, imx6, sunxi/a53 Signed-off-by: Petr Štetiar <ynezz@true.cz>