Re: [PATCH 01/13] mm: introduce vma_flags_can_grow() and vma_can_grow()
"Zi Yan" <[email protected]> Fri, 03 Jul 2026 11:19:17 -0400
| Newsgroups | gmane.comp.freedesktop.xorg.nouveau,gmane.linux.ports.mips,gmane.linux.kernel,gmane.linux.ports.ppc64.devel,gmane.comp.video.dri.devel,gmane.linux.ports.arm.kernel,gmane.linux.kernel.samsung-soc,gmane.comp.freedesktop.xorg.drivers.intel,gmane.linux.ports.arm.msm,gmane.comp.freedesktop.xorg.drivers.freedreno,gmane.linux.ports.arm.rockchip,gmane.linux.ports.tegra,gmane.comp.emulators.xen.devel,gmane.linux.kernel.aio.general,gmane.linux.file-systems,gmane.linux.kernel.mm,gmane.linux.sound |
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| Message-ID | <DJP1CGPF8ZW3.3BI3XRFCCYU6D__1514.57615881867$1783091987$gmane$org@nvidia.com> |
On Mon Jun 29, 2026 at 3:25 PM EDT, Lorenzo Stoakes wrote: > These test whether the VMA has stack sematics, i.e. is able to grow upwar= ds > or downwards depending on the architecture. > > In order to account for arches which do not support upward-growing stacks= , > introduce VMA_GROWSUP whose definition depends on the architecture > supporting it, and use vma_flags_test_single_mask() in vma_flags_can_grow= () > to account for this. > > Update the VMA userland tests to reflect the changes > > No functional change intended. > > Signed-off-by: Lorenzo Stoakes <[email protected]> > --- > include/linux/mm.h | 21 ++++++++++++++++++--- > tools/testing/vma/include/dup.h | 4 ++++ > 2 files changed, 22 insertions(+), 3 deletions(-) > Reviewed-by: Zi Yan <[email protected]> --=20 Best Regards, Yan, Zi