From: Yury Norov <ynorov@nvidia.com>
To: Russell King <linux@armlinux.org.uk>,
"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Danilo Krummrich <dakr@kernel.org>,
Douglas Anderson <dianders@chromium.org>,
Herbert Xu <herbert@gondor.apana.org.au>,
Jason Gunthorpe <jgg@ziepe.ca>, John Allen <john.allen@amd.com>,
Kees Cook <kees@kernel.org>, Leon Romanovsky <leon@kernel.org>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Tom Lendacky <thomas.lendacky@amd.com>,
Yury Norov <yury.norov@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-media@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Cc: Yury Norov <ynorov@nvidia.com>, sunyi <279644543@qq.com>
Subject: [PATCH 0/5] bitmap: align bitmap_find_next_zero_area_off() output with the rest of the API
Date: Wed, 8 Jul 2026 22:03:06 -0400 [thread overview]
Message-ID: <20260709020312.133977-1-ynorov@nvidia.com> (raw)
Bitmap search functions return a value greater than or equal to nbits when
no suitable bits are found. bitmap_find_next_zero_area_off() is an
exception: it returns a value greater than nbits.
Align the function with the rest of the API and adjust the affected callers
accordingly.
Patches 1-4 are sent only to their respective maintainers and mailing
lists. Patch 5 and the cover letter are sent to all recipients.
On top of -next. I plan to carry the series with bitmap-for-next.
Yury Norov (5):
ARM: dma-mapping: Treat bitmap size as allocation failure
powerpc/msi: Treat bitmap size as allocation failure
crypto: ccp: Treat bitmap size as allocation failure
media: s5p-mfc: Treat bitmap size as allocation failure
bitmap: Return size when no zero area is found
arch/arm/mm/dma-mapping.c | 4 ++--
arch/powerpc/sysdev/msi_bitmap.c | 2 +-
drivers/crypto/ccp/ccp-dev-v3.c | 2 +-
drivers/crypto/ccp/ccp-dev-v5.c | 6 +++---
drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr.c | 2 +-
include/linux/bitmap.h | 3 +++
lib/bitmap.c | 10 ++++------
7 files changed, 15 insertions(+), 14 deletions(-)
--
2.53.0
next reply other threads:[~2026-07-09 2:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-09 2:03 Yury Norov [this message]
2026-07-09 2:03 ` [PATCH 4/5] media: s5p-mfc: Treat bitmap size as allocation failure Yury Norov
2026-07-09 5:57 ` Marek Szyprowski
2026-07-09 2:03 ` [PATCH 5/5] bitmap: Return size when no zero area is found Yury Norov
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