[PATCH v3 2/7] mm: introduce vma->vm_flags wrapper functions

Mel Gorman mgorman at techsingularity.net
Thu Jan 26 05:58:15 PST 2023


On Wed, Jan 25, 2023 at 03:35:49PM -0800, Suren Baghdasaryan wrote:
> vm_flags are among VMA attributes which affect decisions like VMA merging
> and splitting. Therefore all vm_flags modifications are performed after
> taking exclusive mmap_lock to prevent vm_flags updates racing with such
> operations. Introduce modifier functions for vm_flags to be used whenever
> flags are updated. This way we can better check and control correct
> locking behavior during these updates.
> 
> Signed-off-by: Suren Baghdasaryan <surenb at google.com>

With or without the suggested rename;

Acked-by: Mel Gorman <mgorman at techsingularity.net>

-- 
Mel Gorman
SUSE Labs



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