The patch titled
Subject: hexagon: move initialization of init_mm.context init to paging_init()
has been added to the -mm mm-unstable branch. Its filename is
hexagon-move-initialization-of-init_mmcontext-init-to-paging_init.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hexagon-move-initialization-of-init_mmcontext-init-to-paging_init.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Mike Rapoport (Microsoft)" <rppt@xxxxxxxxxx>
Subject: hexagon: move initialization of init_mm.context init to paging_init()
Date: Thu, 13 Mar 2025 15:49:53 +0200
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/20250313135003.836600-4-rppt@xxxxxxxxxx
Signed-off-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>
Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Cc: Andreas Larsson <andreas@xxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Ard Biesheuvel <ardb@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Borislav Betkov <bp@xxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Dinh Nguyen <dinguyen@xxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Gerald Schaefer <gerald.schaefer@xxxxxxxxxxxxx>
Cc: Guo Ren (csky) <guoren@xxxxxxxxxx>
Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
Cc: Helge Deller <deller@xxxxxx>
Cc: Huacai Chen <chenhuacai@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Cc: John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx>
Cc: Madhavan Srinivasan <maddy@xxxxxxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Matt Turner <mattst88@xxxxxxxxx>
Cc: Max Filippov <jcmvbkbc@xxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Michal Simek <monstr@xxxxxxxxx>
Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx>
Cc: Richard Weinberger <richard@xxxxxx>
Cc: Russel King <linux@xxxxxxxxxxxxxxx>
Cc: Stafford Horne <shorne@xxxxxxxxx>
Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Cc: Thomas Gleinxer <tglx@xxxxxxxxxxxxx>
Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Cc: Vineet Gupta <vgupta@xxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/hexagon/mm/init.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
--- a/arch/hexagon/mm/init.c~hexagon-move-initialization-of-init_mmcontext-init-to-paging_init
+++ a/arch/hexagon/mm/init.c
@@ -59,14 +59,6 @@ void __init mem_init(void)
* To-Do: someone somewhere should wipe out the bootmem map
* after we're done?
*/
-
- /*
- * This can be moved to some more virtual-memory-specific
- * initialization hook at some point. Set the init_mm
- * descriptors "context" value to point to the initial
- * kernel segment table's physical address.
- */
- init_mm.context.ptbase = __pa(init_mm.pgd);
}
void sync_icache_dcache(pte_t pte)
@@ -104,6 +96,12 @@ static void __init paging_init(void)
free_area_init(max_zone_pfn); /* sets up the zonelists and mem_map */
/*
+ * Set the init_mm descriptors "context" value to point to the
+ * initial kernel segment table's physical address.
+ */
+ init_mm.context.ptbase = __pa(init_mm.pgd);
+
+ /*
* Start of high memory area. Will probably need something more
* fancy if we... get more fancy.
*/
_
Patches currently in -mm which might be from rppt@xxxxxxxxxx are
arm-mem_init-use-memblock_phys_free-to-free-dma-memory-on-sa1111.patch
csky-move-setup_initrd-to-setupc.patch
hexagon-move-initialization-of-init_mmcontext-init-to-paging_init.patch
mips-consolidate-mem_init-for-numa-machines.patch
mips-make-setup_zero_pages-use-memblock.patch
nios2-move-pr_debug-about-memory-start-and-end-to-setup_arch.patch
s390-make-setup_zero_pages-use-memblock.patch
xtensa-split-out-printing-of-virtual-memory-layout-to-a-function.patch
arch-mm-set-max_mapnr-when-allocating-memory-map-for-flatmem.patch
arch-mm-set-high_memory-in-free_area_init.patch
arch-mm-streamline-highmem-freeing.patch
arch-mm-introduce-arch_mm_preinit.patch
arch-mm-make-releasing-of-memory-to-page-allocator-more-explicit.patch
