Re: [PATCH 05/15] h8300, nds32, openrisc: simplify detection of memory extents
From: Stafford Horne <shorne@gmail.com>
Date: 2020-07-29 11:42:04
Also in:
linux-iommu, linux-mips, linux-mm, linux-riscv, linux-s390, linux-sh, linuxppc-dev, lkml, sparclinux
On Tue, Jul 28, 2020 at 08:11:43AM +0300, Mike Rapoport wrote:
From: Mike Rapoport <redacted>
Instead of traversing memblock.memory regions to find memory_start and
memory_end, simply query memblock_{start,end}_of_DRAM().
Signed-off-by: Mike Rapoport <redacted>
---
arch/h8300/kernel/setup.c | 8 +++-----
arch/nds32/kernel/setup.c | 8 ++------
arch/openrisc/kernel/setup.c | 9 ++-------
3 files changed, 7 insertions(+), 18 deletions(-)Hi Mike, For the openrisc part: Acked-by: Stafford Horne <shorne@gmail.com>
quoted hunk ↗ jump to hunk
--- a/arch/openrisc/kernel/setup.c +++ b/arch/openrisc/kernel/setup.c@@ -48,17 +48,12 @@ static void __init setup_memory(void) unsigned long ram_start_pfn; unsigned long ram_end_pfn; phys_addr_t memory_start, memory_end; - struct memblock_region *region; memory_end = memory_start = 0; /* Find main memory where is the kernel, we assume its the only one */ - for_each_memblock(memory, region) { - memory_start = region->base; - memory_end = region->base + region->size; - printk(KERN_INFO "%s: Memory: 0x%x-0x%x\n", __func__, - memory_start, memory_end); - } + memory_start = memblock_start_of_DRAM(); + memory_end = memblock_end_of_DRAM(); if (!memory_end) { panic("No memory!");-- 2.26.2
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