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authorCatalin Marinas <catalin.marinas@arm.com>2016-03-11 20:39:25 +0300
committerCatalin Marinas <catalin.marinas@arm.com>2016-03-21 15:19:12 +0300
commitf09f1bacfe2b1e64a5d94bc2711f73b654c95514 (patch)
tree43319ef066896dc95ef5c733fd8143c9e4426ac7 /arch
parentcc7c0cda8f8c03d6867408e3df953b2fa67d704c (diff)
downloadlinux-f09f1bacfe2b1e64a5d94bc2711f73b654c95514.tar.xz
arm64: Split pr_notice("Virtual kernel memory layout...") into multiple pr_cont()
The printk() implementation has a limit of LOG_LINE_MAX (== 1024 - 32) buffer per call which the arm64 mem_init() breaches when printing the virtual memory layout with CONFIG_KASAN enabled. The result is that the last line is no longer printed. This patch splits the call into a pr_notice() + additional pr_cont() calls. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/mm/init.c60
1 files changed, 28 insertions, 32 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 8c3d7dd91c25..d09603d0e5e9 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -362,42 +362,38 @@ void __init mem_init(void)
#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"
+ pr_notice("Virtual kernel memory layout:\n");
#ifdef CONFIG_KASAN
- " kasan : 0x%16lx - 0x%16lx (%6ld GB)\n"
+ pr_cont(" kasan : 0x%16lx - 0x%16lx (%6ld GB)\n",
+ MLG(KASAN_SHADOW_START, KASAN_SHADOW_END));
#endif
- " modules : 0x%16lx - 0x%16lx (%6ld MB)\n"
- " vmalloc : 0x%16lx - 0x%16lx (%6ld GB)\n"
- " .text : 0x%p" " - 0x%p" " (%6ld KB)\n"
- " .rodata : 0x%p" " - 0x%p" " (%6ld KB)\n"
- " .init : 0x%p" " - 0x%p" " (%6ld KB)\n"
- " .data : 0x%p" " - 0x%p" " (%6ld KB)\n"
+ pr_cont(" modules : 0x%16lx - 0x%16lx (%6ld MB)\n",
+ MLM(MODULES_VADDR, MODULES_END));
+ pr_cont(" vmalloc : 0x%16lx - 0x%16lx (%6ld GB)\n",
+ MLG(VMALLOC_START, VMALLOC_END));
+ pr_cont(" .text : 0x%p" " - 0x%p" " (%6ld KB)\n"
+ " .rodata : 0x%p" " - 0x%p" " (%6ld KB)\n"
+ " .init : 0x%p" " - 0x%p" " (%6ld KB)\n"
+ " .data : 0x%p" " - 0x%p" " (%6ld KB)\n",
+ MLK_ROUNDUP(_text, __start_rodata),
+ MLK_ROUNDUP(__start_rodata, _etext),
+ MLK_ROUNDUP(__init_begin, __init_end),
+ MLK_ROUNDUP(_sdata, _edata));
#ifdef CONFIG_SPARSEMEM_VMEMMAP
- " vmemmap : 0x%16lx - 0x%16lx (%6ld GB maximum)\n"
- " 0x%16lx - 0x%16lx (%6ld MB actual)\n"
+ pr_cont(" vmemmap : 0x%16lx - 0x%16lx (%6ld GB maximum)\n"
+ " 0x%16lx - 0x%16lx (%6ld MB actual)\n",
+ MLG((unsigned long)vmemmap,
+ (unsigned long)vmemmap + VMEMMAP_SIZE),
+ MLM((unsigned long)phys_to_page(memblock_start_of_DRAM()),
+ (unsigned long)virt_to_page(high_memory)));
#endif
- " fixed : 0x%16lx - 0x%16lx (%6ld KB)\n"
- " PCI I/O : 0x%16lx - 0x%16lx (%6ld MB)\n"
- " memory : 0x%16lx - 0x%16lx (%6ld MB)\n",
-#ifdef CONFIG_KASAN
- MLG(KASAN_SHADOW_START, KASAN_SHADOW_END),
-#endif
- MLM(MODULES_VADDR, MODULES_END),
- MLG(VMALLOC_START, VMALLOC_END),
- MLK_ROUNDUP(_text, __start_rodata),
- MLK_ROUNDUP(__start_rodata, _etext),
- MLK_ROUNDUP(__init_begin, __init_end),
- MLK_ROUNDUP(_sdata, _edata),
-#ifdef CONFIG_SPARSEMEM_VMEMMAP
- MLG((unsigned long)vmemmap,
- (unsigned long)vmemmap + VMEMMAP_SIZE),
- MLM((unsigned long)phys_to_page(memblock_start_of_DRAM()),
- (unsigned long)virt_to_page(high_memory)),
-#endif
- MLK(FIXADDR_START, FIXADDR_TOP),
- MLM(PCI_IO_START, PCI_IO_END),
- MLM(__phys_to_virt(memblock_start_of_DRAM()),
- (unsigned long)high_memory));
+ pr_cont(" fixed : 0x%16lx - 0x%16lx (%6ld KB)\n",
+ MLK(FIXADDR_START, FIXADDR_TOP));
+ pr_cont(" PCI I/O : 0x%16lx - 0x%16lx (%6ld MB)\n",
+ MLM(PCI_IO_START, PCI_IO_END));
+ pr_cont(" memory : 0x%16lx - 0x%16lx (%6ld MB)\n",
+ MLM(__phys_to_virt(memblock_start_of_DRAM()),
+ (unsigned long)high_memory));
#undef MLK
#undef MLM