From: Rik van Riel <riel@surriel.com>
To: "Liam R. Howlett (Oracle)" <liam@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
maple-tree@lists.infradead.org, Jason Gunthorpe <jgg@ziepe.ca>
Subject: Re: [PATCH v3 13/19] maple_tree: Document that erase may use GFP_KERNEL for allocations
Date: Fri, 21 Aug 2026 15:33:09 -0400 [thread overview]
Message-ID: <2ffcd5408576bf02664f098427c62b37a8061673.camel@surriel.com> (raw)
In-Reply-To: <20260821192627.4085470-14-liam@infradead.org>
On Fri, 2026-08-21 at 15:26 -0400, Liam R. Howlett (Oracle) wrote:
> State that the mas_erase() and mtree_erase() functions may use
> GFP_KERNEL on allocation retry. Don't just depend on people reading
> the
> documentation by adding a check that will warn of the use.
>
> Cc: Jason Gunthorpe <jgg@ziepe.ca>
> Cc: Rik van Riel <riel@surriel.com>
> Signed-off-by: Liam R. Howlett (Oracle) <liam@infradead.org>
>
This is helpful. Thank you.
Reviewed-by: Rik van Riel <riel@surriel.com>
--
All Rights Reversed.
next prev parent reply other threads:[~2026-08-21 19:33 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-21 19:26 [PATCH v3 00/19] maple_tree: lock checking and clean ups Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 01/19] maple_tree: Add rcu locking check when LOCKDEP is enabled Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 02/19] locking/lockdep: Add sequence counter to held_lock Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 03/19] maple_tree: Add write lock checking with lockdep sequence numbers Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 04/19] maple_tree: Documentation fix Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 05/19] maple_tree: Drop dead code from mas_extend_spanning_null() Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 06/19] maple_tree: Drop MAPLE_ALLOC_SLOTS Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 07/19] maple_tree: Clarify comments on mas_nomem() Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 08/19] maple_tree: Use prefetched value in mas_wr_store_type() Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 09/19] maple_tree: Optimise mas_wr_node_store() when not in rcu mode Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 10/19] maple_tree: micro optimisation of mas_wr_store_type() Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 11/19] maple_tree: Add bulk parent set helper Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 12/19] maple_tree: Catch race in mas_alloc_cyclic() Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 13/19] maple_tree: Document that erase may use GFP_KERNEL for allocations Liam R. Howlett (Oracle)
2026-08-21 19:33 ` Rik van Riel [this message]
2026-08-21 19:26 ` [PATCH v3 14/19] maple_tree: Avoid mas_erase() and mtree_erase() failures Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 15/19] maple_tree: Document erase and allocations better Liam R. Howlett (Oracle)
2026-08-21 19:34 ` Rik van Riel
2026-08-21 20:37 ` Liam R. Howlett (Oracle)
2026-08-21 21:55 ` Jason Gunthorpe
2026-08-21 19:26 ` [PATCH v3 16/19] maple_tree: Change two GFP flags in tests Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 17/19] maple_tree: Fix argument name in header Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 18/19] maple_tree: Avoid extra gap calculation Liam R. Howlett (Oracle)
2026-08-21 19:26 ` [PATCH v3 19/19] maple_tree: Add helper mas_make_walkable() Liam R. Howlett (Oracle)
2026-08-21 19:40 ` [PATCH v3 00/19] maple_tree: lock checking and clean ups Liam R. Howlett (Oracle)
2026-08-21 22:42 ` Andrew Morton
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