From: Mike Rapoport <rppt@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>,
Andreas Larsson <andreas@gaisler.com>,
Andy Lutomirski <luto@kernel.org>,
Ard Biesheuvel <ardb@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Borislav Petkov <bp@alien8.de>, Brian Cain <bcain@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
"David S. Miller" <davem@davemloft.net>,
Dinh Nguyen <dinguyen@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Guo Ren <guoren@kernel.org>, Heiko Carstens <hca@linux.ibm.com>,
Helge Deller <deller@gmx.de>, Huacai Chen <chenhuacai@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
Johannes Berg <johannes@sipsolutions.net>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Mark Brown <broonie@kernel.org>, Matt Turner <mattst88@gmail.com>,
Max Filippov <jcmvbkbc@gmail.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Michal Simek <monstr@monstr.eu>, Mike Rapoport <rppt@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Peter Zijlstra <peterz@infradead.org>,
Richard Weinberger <richard@nod.at>,
Russell King <linux@armlinux.org.uk>,
Stafford Horne <shorne@gmail.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Thomas Gleixner <tglx@linutronix.de>,
Vasily Gorbik <gor@linux.ibm.com>,
Vineet Gupta <vgupta@kernel.org>, Will Deacon <will@kernel.org>,
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Subject: [PATCH v2 08/13] xtensa: split out printing of virtual memory layout to a function
Date: Thu, 13 Mar 2025 15:49:58 +0200 [thread overview]
Message-ID: <20250313135003.836600-9-rppt@kernel.org> (raw)
In-Reply-To: <20250313135003.836600-1-rppt@kernel.org>
From: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
This will help with pulling out memblock_free_all() to the generic
code and reducing code duplication in arch::mem_init().
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
---
arch/xtensa/mm/init.c | 97 ++++++++++++++++++++++---------------------
1 file changed, 50 insertions(+), 47 deletions(-)
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index b2587a1a7c46..01577d33e602 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -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)
{
@@ -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)
@@ -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)
--
2.47.2
next prev parent reply other threads:[~2025-03-13 13:52 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-13 13:49 [PATCH v2 00/13] arch, mm: reduce code duplication in mem_init() Mike Rapoport
2025-03-13 13:49 ` [PATCH v2 01/13] arm: mem_init: use memblock_phys_free() to free DMA memory on SA1111 Mike Rapoport
2025-03-13 13:49 ` [PATCH v2 02/13] csky: move setup_initrd() to setup.c Mike Rapoport
2025-03-13 13:49 ` [PATCH v2 03/13] hexagon: move initialization of init_mm.context init to paging_init() Mike Rapoport
2025-03-13 13:49 ` [PATCH v2 04/13] MIPS: consolidate mem_init() for NUMA machines Mike Rapoport
2025-03-13 13:49 ` [PATCH v2 05/13] MIPS: make setup_zero_pages() use memblock Mike Rapoport
2025-03-13 13:49 ` [PATCH v2 06/13] nios2: move pr_debug() about memory start and end to setup_arch() Mike Rapoport
2025-03-17 12:40 ` Dinh Nguyen
2025-03-13 13:49 ` [PATCH v2 07/13] s390: make setup_zero_pages() use memblock Mike Rapoport
2025-03-13 13:49 ` Mike Rapoport [this message]
2025-03-13 17:14 ` [PATCH v2 08/13] xtensa: split out printing of virtual memory layout to a function Max Filippov
2025-03-13 13:49 ` [PATCH v2 09/13] arch, mm: set max_mapnr when allocating memory map for FLATMEM Mike Rapoport
2025-03-14 9:25 ` Christophe Leroy
2025-04-08 5:48 ` Christophe Leroy
2025-03-13 13:50 ` [PATCH v2 10/13] arch, mm: set high_memory in free_area_init() Mike Rapoport
2025-05-16 15:28 ` Pratyush Yadav
2025-05-16 17:01 ` Mike Rapoport
2025-05-19 15:54 ` Alexandre Ghiti
2025-05-19 17:19 ` Mike Rapoport
2025-03-13 13:50 ` [PATCH v2 11/13] arch, mm: streamline HIGHMEM freeing Mike Rapoport
2025-03-13 13:50 ` [PATCH v2 12/13] arch, mm: introduce arch_mm_preinit Mike Rapoport
2025-03-13 13:50 ` [PATCH v2 13/13] arch, mm: make releasing of memory to page allocator more explicit Mike Rapoport
2025-03-13 15:19 ` Geert Uytterhoeven
2025-03-13 16:39 ` [PATCH v2 00/13] arch, mm: reduce code duplication in mem_init() Mark Brown
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