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Diffstat (limited to 'arch/arm64/mm/init.c')
-rw-r--r--arch/arm64/mm/init.c49
1 files changed, 5 insertions, 44 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 5960bef0170d..c903f7ccbdd2 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -366,6 +366,9 @@ void __init arm64_memblock_init(void)
/* Handle linux,usable-memory-range property */
fdt_enforce_memory_region();
+ /* Remove memory above our supported physical address size */
+ memblock_remove(1ULL << PHYS_MASK_SHIFT, ULLONG_MAX);
+
/*
* Ensure that the linear region takes up exactly half of the kernel
* virtual address space. This way, we can distinguish a linear address
@@ -476,6 +479,8 @@ void __init arm64_memblock_init(void)
reserve_elfcorehdr();
+ high_memory = __va(memblock_end_of_DRAM() - 1) + 1;
+
dma_contiguous_reserve(arm64_dma_phys_limit);
memblock_allow_resize();
@@ -502,7 +507,6 @@ void __init bootmem_init(void)
sparse_init();
zone_sizes_init(min, max);
- high_memory = __va((max << PAGE_SHIFT) - 1) + 1;
memblock_dump_all();
}
@@ -599,49 +603,6 @@ void __init mem_init(void)
mem_init_print_info(NULL);
-#define MLK(b, t) b, t, ((t) - (b)) >> 10
-#define MLM(b, t) b, t, ((t) - (b)) >> 20
-#define MLG(b, t) b, t, ((t) - (b)) >> 30
-#define MLK_ROUNDUP(b, t) b, t, DIV_ROUND_UP(((t) - (b)), SZ_1K)
-
- pr_notice("Virtual kernel memory layout:\n");
-#ifdef CONFIG_KASAN
- pr_notice(" kasan : 0x%16lx - 0x%16lx (%6ld GB)\n",
- MLG(KASAN_SHADOW_START, KASAN_SHADOW_END));
-#endif
- pr_notice(" modules : 0x%16lx - 0x%16lx (%6ld MB)\n",
- MLM(MODULES_VADDR, MODULES_END));
- pr_notice(" vmalloc : 0x%16lx - 0x%16lx (%6ld GB)\n",
- MLG(VMALLOC_START, VMALLOC_END));
- pr_notice(" .text : 0x%p" " - 0x%p" " (%6ld KB)\n",
- MLK_ROUNDUP(_text, _etext));
- pr_notice(" .rodata : 0x%p" " - 0x%p" " (%6ld KB)\n",
- MLK_ROUNDUP(__start_rodata, __init_begin));
- pr_notice(" .init : 0x%p" " - 0x%p" " (%6ld KB)\n",
- MLK_ROUNDUP(__init_begin, __init_end));
- pr_notice(" .data : 0x%p" " - 0x%p" " (%6ld KB)\n",
- MLK_ROUNDUP(_sdata, _edata));
- pr_notice(" .bss : 0x%p" " - 0x%p" " (%6ld KB)\n",
- MLK_ROUNDUP(__bss_start, __bss_stop));
- pr_notice(" fixed : 0x%16lx - 0x%16lx (%6ld KB)\n",
- MLK(FIXADDR_START, FIXADDR_TOP));
- pr_notice(" PCI I/O : 0x%16lx - 0x%16lx (%6ld MB)\n",
- MLM(PCI_IO_START, PCI_IO_END));
-#ifdef CONFIG_SPARSEMEM_VMEMMAP
- pr_notice(" vmemmap : 0x%16lx - 0x%16lx (%6ld GB maximum)\n",
- MLG(VMEMMAP_START, VMEMMAP_START + VMEMMAP_SIZE));
- pr_notice(" 0x%16lx - 0x%16lx (%6ld MB actual)\n",
- MLM((unsigned long)phys_to_page(memblock_start_of_DRAM()),
- (unsigned long)virt_to_page(high_memory)));
-#endif
- pr_notice(" memory : 0x%16lx - 0x%16lx (%6ld MB)\n",
- MLM(__phys_to_virt(memblock_start_of_DRAM()),
- (unsigned long)high_memory));
-
-#undef MLK
-#undef MLM
-#undef MLK_ROUNDUP
-
/*
* Check boundaries twice: Some fundamental inconsistencies can be
* detected at build time already.