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xtensa: split out printing of virtual memory layout to a function
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This will help with pulling out memblock_free_all() to the generic
code and reducing code duplication in arch::mem_init().

Link: https://lkml.kernel.org/r/20250313135003.836600-9-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Betkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Guo Ren (csky) <guoren@kernel.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Russel King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleinxer <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Vineet Gupta <vgupta@kernel.org>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Mike Rapoport (Microsoft) authored and Andrew Morton committed Mar 18, 2025
1 parent 54ccf66 commit d319c8b
Showing 1 changed file with 50 additions and 47 deletions.
97 changes: 50 additions & 47 deletions arch/xtensa/mm/init.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,55 @@ void __init bootmem_init(void)
memblock_dump_all();
}

static void __init print_vm_layout(void)
{
pr_info("virtual kernel memory layout:\n"
#ifdef CONFIG_KASAN
" kasan : 0x%08lx - 0x%08lx (%5lu MB)\n"
#endif
#ifdef CONFIG_MMU
" vmalloc : 0x%08lx - 0x%08lx (%5lu MB)\n"
#endif
#ifdef CONFIG_HIGHMEM
" pkmap : 0x%08lx - 0x%08lx (%5lu kB)\n"
" fixmap : 0x%08lx - 0x%08lx (%5lu kB)\n"
#endif
" lowmem : 0x%08lx - 0x%08lx (%5lu MB)\n"
" .text : 0x%08lx - 0x%08lx (%5lu kB)\n"
" .rodata : 0x%08lx - 0x%08lx (%5lu kB)\n"
" .data : 0x%08lx - 0x%08lx (%5lu kB)\n"
" .init : 0x%08lx - 0x%08lx (%5lu kB)\n"
" .bss : 0x%08lx - 0x%08lx (%5lu kB)\n",
#ifdef CONFIG_KASAN
KASAN_SHADOW_START, KASAN_SHADOW_START + KASAN_SHADOW_SIZE,
KASAN_SHADOW_SIZE >> 20,
#endif
#ifdef CONFIG_MMU
VMALLOC_START, VMALLOC_END,
(VMALLOC_END - VMALLOC_START) >> 20,
#ifdef CONFIG_HIGHMEM
PKMAP_BASE, PKMAP_BASE + LAST_PKMAP * PAGE_SIZE,
(LAST_PKMAP*PAGE_SIZE) >> 10,
FIXADDR_START, FIXADDR_END,
(FIXADDR_END - FIXADDR_START) >> 10,
#endif
PAGE_OFFSET, PAGE_OFFSET +
(max_low_pfn - min_low_pfn) * PAGE_SIZE,
#else
min_low_pfn * PAGE_SIZE, max_low_pfn * PAGE_SIZE,
#endif
((max_low_pfn - min_low_pfn) * PAGE_SIZE) >> 20,
(unsigned long)_text, (unsigned long)_etext,
(unsigned long)(_etext - _text) >> 10,
(unsigned long)__start_rodata, (unsigned long)__end_rodata,
(unsigned long)(__end_rodata - __start_rodata) >> 10,
(unsigned long)_sdata, (unsigned long)_edata,
(unsigned long)(_edata - _sdata) >> 10,
(unsigned long)__init_begin, (unsigned long)__init_end,
(unsigned long)(__init_end - __init_begin) >> 10,
(unsigned long)__bss_start, (unsigned long)__bss_stop,
(unsigned long)(__bss_stop - __bss_start) >> 10);
}

void __init zones_init(void)
{
Expand All @@ -77,6 +126,7 @@ void __init zones_init(void)
#endif
};
free_area_init(max_zone_pfn);
print_vm_layout();
}

static void __init free_highpages(void)
Expand Down Expand Up @@ -118,53 +168,6 @@ void __init mem_init(void)
high_memory = (void *)__va(max_low_pfn << PAGE_SHIFT);

memblock_free_all();

pr_info("virtual kernel memory layout:\n"
#ifdef CONFIG_KASAN
" kasan : 0x%08lx - 0x%08lx (%5lu MB)\n"
#endif
#ifdef CONFIG_MMU
" vmalloc : 0x%08lx - 0x%08lx (%5lu MB)\n"
#endif
#ifdef CONFIG_HIGHMEM
" pkmap : 0x%08lx - 0x%08lx (%5lu kB)\n"
" fixmap : 0x%08lx - 0x%08lx (%5lu kB)\n"
#endif
" lowmem : 0x%08lx - 0x%08lx (%5lu MB)\n"
" .text : 0x%08lx - 0x%08lx (%5lu kB)\n"
" .rodata : 0x%08lx - 0x%08lx (%5lu kB)\n"
" .data : 0x%08lx - 0x%08lx (%5lu kB)\n"
" .init : 0x%08lx - 0x%08lx (%5lu kB)\n"
" .bss : 0x%08lx - 0x%08lx (%5lu kB)\n",
#ifdef CONFIG_KASAN
KASAN_SHADOW_START, KASAN_SHADOW_START + KASAN_SHADOW_SIZE,
KASAN_SHADOW_SIZE >> 20,
#endif
#ifdef CONFIG_MMU
VMALLOC_START, VMALLOC_END,
(VMALLOC_END - VMALLOC_START) >> 20,
#ifdef CONFIG_HIGHMEM
PKMAP_BASE, PKMAP_BASE + LAST_PKMAP * PAGE_SIZE,
(LAST_PKMAP*PAGE_SIZE) >> 10,
FIXADDR_START, FIXADDR_END,
(FIXADDR_END - FIXADDR_START) >> 10,
#endif
PAGE_OFFSET, PAGE_OFFSET +
(max_low_pfn - min_low_pfn) * PAGE_SIZE,
#else
min_low_pfn * PAGE_SIZE, max_low_pfn * PAGE_SIZE,
#endif
((max_low_pfn - min_low_pfn) * PAGE_SIZE) >> 20,
(unsigned long)_text, (unsigned long)_etext,
(unsigned long)(_etext - _text) >> 10,
(unsigned long)__start_rodata, (unsigned long)__end_rodata,
(unsigned long)(__end_rodata - __start_rodata) >> 10,
(unsigned long)_sdata, (unsigned long)_edata,
(unsigned long)(_edata - _sdata) >> 10,
(unsigned long)__init_begin, (unsigned long)__init_end,
(unsigned long)(__init_end - __init_begin) >> 10,
(unsigned long)__bss_start, (unsigned long)__bss_stop,
(unsigned long)(__bss_stop - __bss_start) >> 10);
}

static void __init parse_memmap_one(char *p)
Expand Down

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