Re: [PATCH v4 1/1] exec: seal system mappings

[Liam R. Howlett]

* enh <enh@xxxxxxxxxx> [250117 14:35]:
...

> 
> as a maintainer of a different linux libc, i've long wanted a "tell me
> everything there is to know about this vma" syscall rather than having
> to parse /proc/maps...
> 

You mean an ioctl()-based API to query VMAs from /proc/<pid>/maps?

Andrii had something like that [1], check out ed5d583a88a92 ("fs/procfs:
implement efficient VMA querying API for /proc/<pid>/maps")

Regards,
Liam

[1]. https://lore.kernel.org/linux-mm/20240627170900.1672542-1-andrii@xxxxxxxxxx/