VM_UFFD_MISSING flag is mutually exclussive with VM_MAYOVERLAY flag as they both use the same bit position i.e 0x00000200 in the vm_flags. Let's update show_smap_vma_flags() to display the correct flags depending on CONFIG_MMU. Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: linux-fsdevel@xxxxxxxxxxxxxxx Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> --- This applies on v6.8-rc3 fs/proc/task_mmu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 3f78ebbb795f..1c4eb25cfc17 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -681,7 +681,11 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma) [ilog2(VM_HUGEPAGE)] = "hg", [ilog2(VM_NOHUGEPAGE)] = "nh", [ilog2(VM_MERGEABLE)] = "mg", +#ifdef CONFIG_MMU [ilog2(VM_UFFD_MISSING)]= "um", +#else + [ilog2(VM_MAYOVERLAY)] = "ov", +#endif /* CONFIG_MMU */ [ilog2(VM_UFFD_WP)] = "uw", #ifdef CONFIG_ARM64_MTE [ilog2(VM_MTE)] = "mt", -- 2.25.1
