[PATCH v2 0/1] add mseal to /proc/pid/smaps

From: jeffxu
Date: Fri Jun 14 2024 - 19:22:51 EST


From: Jeff Xu <jeffxu@xxxxxxxxxxxx>

Add mseal information in /proc/pid/smaps to indicate the VMA is sealed.

I appreicate Adhemerval Zanella Netto to bring this to my attention. [1]

[1] https://public-inbox.org/libc-alpha/743ac2ce-817b-42ef-a0a1-7edf9a85d8e5@xxxxxxxxxx/#t

History:

v2:
update from Jann Horn's comments:
- change 'sp' to 'sl'
- change 'sealed page' to 'sealed'
- move VM_SEALED define after VM_ALLOW_ANY_UNCACHED

v1:
https://lore.kernel.org/lkml/20240614182327.752156-1-jeffxu@xxxxxxxxxx/

Jeff Xu (1):
/proc/pid/smaps: add mseal info for vma

Documentation/filesystems/proc.rst | 1 +
fs/proc/task_mmu.c | 3 +++
include/linux/mm.h | 5 +++++
mm/internal.h | 5 -----
4 files changed, 9 insertions(+), 5 deletions(-)

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2.45.2.627.g7a2c4fd464-goog