Re: [PATCH v5 16/21] mm/mmap: Use vms accounted pages in mmap_region()

From: Paul Moore
Date: Wed Jul 24 2024 - 16:23:38 EST


On Wed, Jul 17, 2024 at 4:11 PM Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> wrote:
>
> From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>
>
> Change from nr_pages variable to vms.nr_accounted for the charged pages
> calculation. This is necessary for a future patch.
>
> This also avoids checking security_vm_enough_memory_mm() if the amount
> of memory won't change.
>
> Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
> Cc: Kees Cook <kees@xxxxxxxxxx>
> Cc: linux-security-module@xxxxxxxxxxxxxxx
> Reviewed-by: Kees Cook <kees@xxxxxxxxxx>
> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
> Reviewed-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
> ---
> mm/mmap.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)

Acked-by: Paul Moore <paul@xxxxxxxxxxxxxx> (LSM)

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