[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH 04/13] mm: update generic_get_unmapped_area[_topdown]() to use vma_flags_t
- To: "Lorenzo Stoakes" <ljs@xxxxxxxxxx>, "Andrew Morton" <akpm@xxxxxxxxxxxxxxxxxxxx>
- From: "Zi Yan" <ziy@xxxxxxxxxx>
- Date: Mon, 06 Jul 2026 22:29:15 -0400
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=G5SDIdFLoYbDOHAIakCAUhsVvo3Qdgdk6RXUmFO83TU=; b=d/L4arIpSCIZ2cG//K6QIS4Eq75ZnFdfPyXbNabScvNwYRimUPGha5m7tevzOcTzTT4CYeSvLgNOJJ5HzZwIE9KYeXNvSCw4pno/w5hkQMzAONfvPpB79qiMhNvcutwqCU0HgwgWVkOl4B+wBR1hNNNSnNj79CxDiDTD0IzYcT7Towb08RxxV2WbAz0ZNFYcPsvOiybJioi5bbzSyOgTD1A+fyWObz9Byb2Ft5mSaQ5bxmvLs9VM+Hp4DY/FdN3+reSYAf+Godc2CMm4JShr55LmDOF92B4ook2QJe27JWlMkZyRmb5hs/DP7YPaPNScJRXM71IYstzZpoamqbBBTg==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=mzpRGdZ757zSn/vBzw7mLX/Dcw6yEnHlsf9xKmN2gwbYb5H8senBU8bWgX49JfMmXeoasFvlggyp0qNrA/5WdxcG2KnUTorZeFIQgQ+aktnIlvnhXmfVmkDMAwa+5JUNZC9Cwr+sAkDMUOhZ1aDcKkOpjuw89ZFQPvKKML0JPC5nSBupBjnBrHqopP2if71tNGmVV6c/+DRtJR+eFm2u5TphS1cjYxLfkrQKtgdsnr1H/qSUeB3VjYKpr+kBuu2S0bH4Id7ShzlUK3H2fbURgc81j8xx4Y9GtnEcVrTFwH4hjNPvxqBPDO7EPX2cJzvyDRX0yJA8xsvYLcVxBB5mAg==
- Authentication-results: eu.smtp.expurgate.cloud; dkim=temperror header.s=selector2 header.d=Nvidia.com header.i="@Nvidia.com"
- Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com;
- Cc: "Thomas Bogendoerfer" <tsbogend@xxxxxxxxxxxxxxxx>, "Madhavan Srinivasan" <maddy@xxxxxxxxxxxxx>, "Michael Ellerman" <mpe@xxxxxxxxxxxxxx>, "Maarten Lankhorst" <maarten.lankhorst@xxxxxxxxxxxxxxx>, "Maxime Ripard" <mripard@xxxxxxxxxx>, "Thomas Zimmermann" <tzimmermann@xxxxxxx>, "David Airlie" <airlied@xxxxxxxxx>, "Simona Vetter" <simona@xxxxxxxx>, "Lucas Stach" <l.stach@xxxxxxxxxxxxxx>, "Inki Dae" <inki.dae@xxxxxxxxxxx>, "Seung-Woo Kim" <sw0312.kim@xxxxxxxxxxx>, "Kyungmin Park" <kyungmin.park@xxxxxxxxxxx>, "Krzysztof Kozlowski" <krzk@xxxxxxxxxx>, "Peter Griffin" <peter.griffin@xxxxxxxxxx>, "Jani Nikula" <jani.nikula@xxxxxxxxxxxxxxx>, "Joonas Lahtinen" <joonas.lahtinen@xxxxxxxxxxxxxxx>, "Rodrigo Vivi" <rodrigo.vivi@xxxxxxxxx>, "Tvrtko Ursulin" <tursulin@xxxxxxxxxxx>, "Rob Clark" <robin.clark@xxxxxxxxxxxxxxxx>, "Dmitry Baryshkov" <lumag@xxxxxxxxxx>, "Lyude Paul" <lyude@xxxxxxxxxx>, "Danilo Krummrich" <dakr@xxxxxxxxxx>, "Tomi Valkeinen" <tomi.valkeinen@xxxxxxxxxxxxxxxx>, "Sandy Huang" <hjc@xxxxxxxxxxxxxx>, Heiko Stübner <heiko@xxxxxxxxx>, "Andy Yan" <andy.yan@xxxxxxxxxxxxxx>, "Thierry Reding" <thierry.reding@xxxxxxxxxx>, "Mikko Perttunen" <mperttunen@xxxxxxxxxx>, "Jonathan Hunter" <jonathanh@xxxxxxxxxx>, "Gerd Hoffmann" <kraxel@xxxxxxxxxx>, "Dmitry Osipenko" <dmitry.osipenko@xxxxxxxxxxxxx>, "Zack Rusin" <zack.rusin@xxxxxxxxxxxx>, "Matthew Brost" <matthew.brost@xxxxxxxxx>, "Thomas Hellstrom" <thomas.hellstrom@xxxxxxxxxxxxxxx>, "Oleksandr Andrushchenko" <oleksandr_andrushchenko@xxxxxxxx>, "Helge Deller" <deller@xxxxxx>, "Benjamin LaHaise" <bcrl@xxxxxxxxx>, "Alexander Viro" <viro@xxxxxxxxxxxxxxxxxx>, "Christian Brauner" <brauner@xxxxxxxxxx>, "Muchun Song" <muchun.song@xxxxxxxxx>, "Oscar Salvador" <osalvador@xxxxxxx>, "David Hildenbrand" <david@xxxxxxxxxx>, "Baolin Wang" <baolin.wang@xxxxxxxxxxxxxxxxx>, "Liam R . Howlett" <liam@xxxxxxxxxxxxx>, "Nico Pache" <npache@xxxxxxxxxx>, "Ryan Roberts" <ryan.roberts@xxxxxxx>, "Dev Jain" <dev.jain@xxxxxxx>, "Barry Song" <baohua@xxxxxxxxxx>, "Lance Yang" <lance.yang@xxxxxxxxx>, "Hugh Dickins" <hughd@xxxxxxxxxx>, "Vlastimil Babka" <vbabka@xxxxxxxxxx>, "Mike Rapoport" <rppt@xxxxxxxxxx>, "Suren Baghdasaryan" <surenb@xxxxxxxxxx>, "Michal Hocko" <mhocko@xxxxxxxx>, "Jann Horn" <jannh@xxxxxxxxxx>, "Pedro Falcato" <pfalcato@xxxxxxx>, "Kees Cook" <kees@xxxxxxxxxx>, "Jaroslav Kysela" <perex@xxxxxxxx>, "Takashi Iwai" <tiwai@xxxxxxxx>, <linux-mips@xxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <linuxppc-dev@xxxxxxxxxxxxxxxx>, <dri-devel@xxxxxxxxxxxxxxxxxxxxx>, <etnaviv@xxxxxxxxxxxxxxxxxxxxx>, <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, <linux-samsung-soc@xxxxxxxxxxxxxxx>, <intel-gfx@xxxxxxxxxxxxxxxxxxxxx>, <linux-arm-msm@xxxxxxxxxxxxxxx>, <freedreno@xxxxxxxxxxxxxxxxxxxxx>, <nouveau@xxxxxxxxxxxxxxxxxxxxx>, <linux-rockchip@xxxxxxxxxxxxxxxxxxx>, <linux-tegra@xxxxxxxxxxxxxxx>, <virtualization@xxxxxxxxxxxxxxx>, <intel-xe@xxxxxxxxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <linux-fbdev@xxxxxxxxxxxxxxx>, <linux-aio@xxxxxxxxx>, <linux-fsdevel@xxxxxxxxxxxxxxx>, <linux-mm@xxxxxxxxx>, <linux-sound@xxxxxxxxxxxxxxx>
- Delivery-date: Tue, 07 Jul 2026 02:30:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Mon Jun 29, 2026 at 3:25 PM EDT, Lorenzo Stoakes wrote:
> As part of the changes converting VMA flags from a system word size to a
> bitmap, extend this change to generic_get_unmapped_area() and
> generic_get_unmapped_area_topdown(), which also allows us to convert
> stack_guard_placement() as well.
>
> We retain arch_get_unmapped_area() and arch_get_unmapped_area_topdown()
> as-is for now, using legacy_to_vma_flags() as necessary to do so.
>
> No functional change intended.
>
> Signed-off-by: Lorenzo Stoakes <ljs@xxxxxxxxxx>
> ---
> arch/powerpc/mm/book3s64/slice.c | 6 ++++--
> include/linux/sched/mm.h | 4 ++--
> mm/mmap.c | 16 ++++++++--------
> 3 files changed, 14 insertions(+), 12 deletions(-)
>
LGTM.
Reviewed-by: Zi Yan <ziy@xxxxxxxxxx>
--
Best Regards,
Yan, Zi
|