From 8e7501a361d3f10611dcd1f8111c4fdb13aa6610 Mon Sep 17 00:00:00 2001 From: Lorenzo Stoakes Date: Sat, 11 Jul 2026 19:45:06 +0100 Subject: mm/vma: update create_init_stack_vma() to use vma_flags_t Replace use of the legacy vm_flags_t flags with vma_flags_t values in create_init_stack_vma(). As part of this change we add VMA_STACK_EARLY and VMA_STACK_INCOMPLETE vma_flags_t defines, and slightly rework create_init_stack_vma() for clarity. No functional change intended. Link: https://lore.kernel.org/20260711-b4-vma-flags-mm-v2-9-0fa2357d5431@kernel.org Signed-off-by: Lorenzo Stoakes Reviewed-by: Zi Yan Reviewed-by: Lance Yang Reviewed-by: Vlastimil Babka (SUSE) Cc: Baolin Wang Cc: Barry Song Cc: Christian Brauner Cc: Dave Airlie Cc: David Hildenbrand Cc: Dev Jain Cc: Jani Nikula Cc: Jan Kara Cc: Jann Horn Cc: Mike Rapoport Cc: Muchun Song Cc: Nico Pache Cc: Oscar Salvador Cc: Pedro Falcato Cc: Suren Baghdasaryan Cc: Thomas Zimmermann Signed-off-by: Andrew Morton --- include/linux/mm.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/linux') diff --git a/include/linux/mm.h b/include/linux/mm.h index 1209db1a4b92..550fb92957d1 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -442,8 +442,10 @@ enum { #define VM_STACK INIT_VM_FLAG(STACK) #ifdef CONFIG_STACK_GROWSUP #define VM_STACK_EARLY INIT_VM_FLAG(STACK_EARLY) +#define VMA_STACK_EARLY mk_vma_flags(VMA_STACK_EARLY_BIT) #else #define VM_STACK_EARLY VM_NONE +#define VMA_STACK_EARLY EMPTY_VMA_FLAGS #endif #ifdef CONFIG_ARCH_HAS_PKEYS #define VM_PKEY_SHIFT ((__force int)VMA_HIGH_ARCH_0_BIT) @@ -544,6 +546,8 @@ enum { /* Bits set in the VMA until the stack is in its final location */ #define VM_STACK_INCOMPLETE_SETUP (VM_RAND_READ | VM_SEQ_READ | VM_STACK_EARLY) +#define VMA_STACK_INCOMPLETE_SETUP append_vma_flags( \ + VMA_STACK_EARLY, VMA_RAND_READ_BIT, VMA_SEQ_READ_BIT) #define TASK_EXEC_BIT ((current->personality & READ_IMPLIES_EXEC) ? \ VMA_EXEC_BIT : VMA_READ_BIT) -- cgit v1.2.3