* [folded-merged] mm-correct-type-for-vmalloc-vm_flags-fields-fix.patch removed from -mm tree
@ 2025-08-02 18:39 Andrew Morton
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From: Andrew Morton @ 2025-08-02 18:39 UTC (permalink / raw)
To: mm-commits, vbabka, urezki, surenb, rppt, pfalcato, mhocko,
liam.howlett, jannh, harry.yoo, david, lorenzo.stoakes, akpm
The quilt patch titled
Subject: mm: fixup very disguised vmalloc flags parameter
has been removed from the -mm tree. Its filename was
mm-correct-type-for-vmalloc-vm_flags-fields-fix.patch
This patch was dropped because it was folded into mm-correct-type-for-vmalloc-vm_flags-fields.patch
------------------------------------------------------
From: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Subject: mm: fixup very disguised vmalloc flags parameter
Date: Tue, 29 Jul 2025 13:48:50 +0100
The declare_vma() function in arm64 arch code liberally mixes the concepts
of VMAs and near-identically named vmalloc data structures, so I
accidentally changed the 'vm_flags' field' that is assigned to a 'vma'
thinking it was... the vm_flags field of a vma, which it turns out, it
isn't.
Revert the type from vm_flags_t to unsigned long.
Given vm_flags_t == unsigned long, there is no change in any behaviour
before or after this patch, but in future this will matter.
Link: https://lkml.kernel.org/r/e74dd8de-7e60-47ab-8a45-2c851f3c5d26@lucifer.local
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: David Hildenbrand <david@redhat.com>
Cc: Harry Yoo <harry.yoo@oracle.com>
Cc: Jann Horn <jannh@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Pedro Falcato <pfalcato@suse.de>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/arm64/mm/mmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm64/mm/mmu.c~mm-correct-type-for-vmalloc-vm_flags-fields-fix
+++ a/arch/arm64/mm/mmu.c
@@ -721,7 +721,7 @@ void mark_rodata_ro(void)
static void __init declare_vma(struct vm_struct *vma,
void *va_start, void *va_end,
- vm_flags_t vm_flags)
+ unsigned long vm_flags)
{
phys_addr_t pa_start = __pa_symbol(va_start);
unsigned long size = va_end - va_start;
_
Patches currently in -mm which might be from lorenzo.stoakes@oracle.com are
mm-mseal-always-define-vm_sealed.patch
mm-mseal-update-madvise-logic.patch
mm-mseal-small-cleanups.patch
mm-mseal-simplify-and-rename-vma-gap-check.patch
mm-mseal-rework-mseal-apply-logic.patch
mm-remove-mm-io-mappingc.patch
mm-correct-type-for-vmalloc-vm_flags-fields.patch
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2025-08-02 18:39 [folded-merged] mm-correct-type-for-vmalloc-vm_flags-fields-fix.patch removed from -mm tree Andrew Morton
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