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| author |   Mike Rapoport <rppt@linux.ibm.com> | 2020-10-13 16:57:36 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-13 18:38:35 -0700 |
| commit | 80c4574417ae42fe2ba6978772854dc67cfc5331 (patch) | |
| tree | 39925368082a39c1dc0184cc4f736a9ab2137cc9 /arch/h8300 | |
| parent | arm64: numa: simplify dummy_numa_init() (diff) | |
| download | linux-dev-80c4574417ae42fe2ba6978772854dc67cfc5331.tar.xz linux-dev-80c4574417ae42fe2ba6978772854dc67cfc5331.zip | |
h8300, nds32, openrisc: simplify detection of memory extents
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 <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Stafford Horne <shorne@gmail.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Baoquan He <bhe@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Daniel Axtens <dja@axtens.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Emil Renner Berthing <kernel@esmil.dk>
Cc: Hari Bathini <hbathini@linux.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: https://lkml.kernel.org/r/20200818151634.14343-6-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/h8300')
| -rw-r--r-- | arch/h8300/kernel/setup.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/h8300/kernel/setup.c b/arch/h8300/kernel/setup.c index 28ac88358a89..0281f92eea3d 100644 --- a/arch/h8300/kernel/setup.c +++ b/arch/h8300/kernel/setup.c @@ -74,17 +74,15 @@ static void __init bootmem_init(void) memory_end = memory_start = 0; /* Find main memory where is the kernel */ - for_each_memblock(memory, region) { - memory_start = region->base; - memory_end = region->base + region->size; - } + memory_start = memblock_start_of_DRAM(); + memory_end = memblock_end_of_DRAM(); if (!memory_end) panic("No memory!"); /* setup bootmem globals (we use no_bootmem, but mm still depends on this) */ min_low_pfn = PFN_UP(memory_start); - max_low_pfn = PFN_DOWN(memblock_end_of_DRAM()); + max_low_pfn = PFN_DOWN(memory_end); max_pfn = max_low_pfn; memblock_reserve(__pa(_stext), _end - _stext); |