lkml.org 
[lkml]   [2024]   [Feb]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] fs/proc/task_mmu: Add display flag for VM_MAYOVERLAY
From
On 08.02.24 09:48, Anshuman Khandual wrote:
> 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@linux-foundation.org>
> Cc: David Hildenbrand <david@redhat.com>
> Cc: linux-kernel@vger.kernel.org
> Cc: linux-fsdevel@vger.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
> ---
> 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",

Reviewed-by: David Hildenbrand <david@redhat.com>

--
Cheers,

David / dhildenb


\
 
 \ /
  Last update: 2024-05-27 14:55    [W:0.057 / U:0.596 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site