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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu Sep 17, 2026 at 12:22 PM EDT, Lorenzo Stoakes (ARM) wrote: > Replace the open-coded VMA_SPECIAL_FLAGS check in the VMA merge logic wit= h > two new functions vma_flags_can_merge() and vma_can_merge() and update th= e > merge logic to use the former. > > This abstracts the check and expresses it in terms of the desired behavio= ur > rather than an arbitrary and confusing VMA flag. > > This also lays the groundwork for making further improvements in VMA flag > usage. > > Also update the userland VMA tests to reflect the change. > > No functional change intended. > > Signed-off-by: Lorenzo Stoakes (ARM) > --- > include/linux/mm.h | 21 +++++++++++++++++++++ > mm/vma.c | 19 +++++++++++-------- > tools/testing/vma/include/dup.h | 5 +++++ > 3 files changed, 37 insertions(+), 8 deletions(-) > LGTM. Reviewed-by: Zi Yan --=20 Best Regards, Yan, Zi