Catalin Marinas bd5d4df4dc arm64: Ignore any DMA offsets in the max_zone_phys() calculation ... commit 791ab8b2e3db0c6e4295467d10398800ec29144c upstream. Currently, the kernel assumes that if RAM starts above 32-bit (or zone_bits), there is still a ZONE_DMA/DMA32 at the bottom of the RAM and such constrained devices have a hardwired DMA offset. In practice, we haven't noticed any such hardware so let's assume that we can expand ZONE_DMA32 to the available memory if no RAM below 4GB. Similarly, ZONE_DMA is expanded to the 4GB limit if no RAM addressable by zone_bits. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Cc: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Cc: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/20201118185809.1078362-1-catalin.marinas@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-06-30 08:47:16 -04:00
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cache.S
context.c
copypage.c
dma-mapping.c
extable.c
fault.c
flush.c	arm64: Fix race condition on PG_dcache_clean in __sync_icache_dcache()	2021-05-19 10:13:11 +02:00
hugetlbpage.c
init.c	arm64: Ignore any DMA offsets in the max_zone_phys() calculation	2021-06-30 08:47:16 -04:00
ioremap.c
kasan_init.c
Makefile
mmap.c
mmu.c	arm64: mm: correct the inside linear map range during hotplug check	2021-04-07 15:00:03 +02:00
mteswap.c
numa.c
pageattr.c
pgd.c
physaddr.c	arm64: Do not pass tagged addresses to __is_lm_address()	2021-02-07 15:37:13 +01:00
proc.S	arm64: mte: initialize RGSR_EL1.SEED in __cpu_setup	2021-05-19 10:13:11 +02:00
ptdump_debugfs.c
ptdump.c