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mm/vmalloc: constify vm parameter of get_vm_area_page_order()

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get_vm_area_page_order() and vm_area_page_order() do not need to modify
struct vm_struct passed to them.

Constify the parameter.

Link: https://lore.kernel.org/20260903-execmem-set-vm-perms-v0-2-v3-3-949b64a9f755@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: "Borislav Petkov (AMD)" <bp@alien8.de>
Cc: Brendan Jackman <brendan.jackman@linux.dev>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: WANG Xuerui <kernel@xen0n.name>
Cc: Will Deacon <will@kernel.org>
This commit is contained in:
Mike Rapoport (Microsoft) 2026-09-03 12:28:29 +03:00 committed by Andrew Morton
parent 40702f168a
commit 1f73dfdeb9
2 changed files with 3 additions and 3 deletions
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4
mm/vmalloc.c
View File

@ -3124,7 +3124,7 @@ EXPORT_SYMBOL(vm_map_ram);
static struct vm_struct *vmlist __initdata;
static inline unsigned int vm_area_page_order(struct vm_struct *vm)
static inline unsigned int vm_area_page_order(const struct vm_struct *vm)
{
#ifdef CONFIG_HAVE_ARCH_HUGE_VMALLOC
return vm->page_order;
@ -3133,7 +3133,7 @@ static inline unsigned int vm_area_page_order(struct vm_struct *vm)
#endif
}
unsigned int get_vm_area_page_order(struct vm_struct *vm)
unsigned int get_vm_area_page_order(const struct vm_struct *vm)
{
return vm_area_page_order(vm);
}

2
mm/vmalloc.h
View File

@ -12,7 +12,7 @@ void __init vmalloc_init(void);
int __must_check vmap_pages_range_noflush(unsigned long addr, unsigned long end,
pgprot_t prot, struct page **pages,
unsigned int page_shift, gfp_t gfp_mask);
unsigned int get_vm_area_page_order(struct vm_struct *vm);
unsigned int get_vm_area_page_order(const struct vm_struct *vm);
#else
static inline void vmalloc_init(void) {}