From: Lance Yang <lance.yang@linux.dev>
To: ljs@kernel.org
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Subject: Re: [PATCH 01/13] mm: introduce vma_flags_can_grow() and vma_can_grow()
Date: Thu, 2 Jul 2026 15:27:50 +0800 [thread overview]
Message-ID: <20260702072750.45641-1-lance.yang@linux.dev> (raw)
In-Reply-To: <f2e8c32515d328db62279cc8bab8398ea278d74f.1782760670.git.ljs@kernel.org>
On Mon, Jun 29, 2026 at 08:25:24PM +0100, Lorenzo Stoakes wrote:
>These test whether the VMA has stack sematics, i.e. is able to grow upwards
>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 <ljs@kernel.org>
>---
Nice cleanup! Feel free to add:
Reviewed-by: Lance Yang <lance.yang@linux.dev>
next prev parent reply other threads:[~2026-07-02 7:28 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-29 19:25 [PATCH 00/13] convert more vm_flags_t users to vma_flags_t Lorenzo Stoakes
2026-06-29 19:25 ` [PATCH 01/13] mm: introduce vma_flags_can_grow() and vma_can_grow() Lorenzo Stoakes
2026-06-29 20:26 ` Zi Yan
2026-06-30 7:38 ` Lorenzo Stoakes
2026-06-30 15:09 ` Zi Yan
2026-07-02 7:27 ` Lance Yang [this message]
2026-06-29 19:25 ` [PATCH 02/13] mm/vma: update do_mmap() to use vma_flags_t Lorenzo Stoakes
2026-07-02 11:15 ` Lance Yang
2026-07-02 14:16 ` Lorenzo Stoakes
2026-07-02 15:08 ` Lance Yang
2026-06-29 19:25 ` [PATCH 03/13] mm: convert __get_unmapped_area() " Lorenzo Stoakes
2026-07-02 11:37 ` Lance Yang
2026-06-29 19:25 ` [PATCH 04/13] mm: update generic_get_unmapped_area[_topdown]() " Lorenzo Stoakes
2026-07-02 11:41 ` Lance Yang
2026-06-29 19:25 ` [PATCH 05/13] mm: prefer mm->def_vma_flags in mm logic Lorenzo Stoakes
2026-07-02 12:10 ` Lance Yang
2026-07-02 15:24 ` Lorenzo Stoakes
2026-06-29 19:25 ` [PATCH 06/13] mm/vma: convert vm_pgprot_modify() to use vma_flags_t and rename Lorenzo Stoakes
2026-07-02 12:21 ` Lance Yang
2026-07-02 15:29 ` Lorenzo Stoakes
2026-06-29 19:25 ` [PATCH 07/13] mm/vma: rename vma_get_page_prot to vma_flags_to_page_prot Lorenzo Stoakes
2026-07-02 12:25 ` Lance Yang
2026-06-29 19:25 ` [PATCH 08/13] mm: introduce vma_get_page_prot() and use it Lorenzo Stoakes
2026-06-30 7:57 ` Thomas Zimmermann
2026-06-30 10:23 ` Jani Nikula
2026-07-02 12:38 ` Lance Yang
2026-07-02 15:40 ` Lorenzo Stoakes
2026-06-29 19:25 ` [PATCH 09/13] mm/vma: update create_init_stack_vma() to use vma_flags_t Lorenzo Stoakes
2026-07-02 12:50 ` Lance Yang
2026-06-29 19:25 ` [PATCH 10/13] mm/vma: convert miscellaneous uses of VMA flags in core mm Lorenzo Stoakes
2026-07-02 13:12 ` Lance Yang
2026-07-02 15:46 ` Lorenzo Stoakes
2026-06-29 19:25 ` [PATCH 11/13] mm/mlock: convert mlock code to use vma_flags_t Lorenzo Stoakes
2026-07-02 13:21 ` Lance Yang
2026-07-02 15:47 ` Lorenzo Stoakes
2026-06-29 19:25 ` [PATCH 12/13] mm/mprotect: convert mprotect " Lorenzo Stoakes
2026-07-01 16:09 ` Lance Yang
2026-07-02 15:53 ` Lorenzo Stoakes
2026-06-29 19:25 ` [PATCH 13/13] mm/mremap: convert mremap " Lorenzo Stoakes
2026-07-02 13:49 ` Lance Yang
2026-07-02 16:07 ` Lorenzo Stoakes
2026-07-02 16:17 ` Lance Yang
2026-07-02 16:31 ` Lorenzo Stoakes
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