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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Arnd Bergmann , Greg Kroah-Hartman , Jerrin Shaji George , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Zi Yan Subject: [PATCH v2 19/23] mm: rename balloon_compaction.(c|h) to balloon.(c|h) Date: Thu, 15 Jan 2026 10:20:09 +0100 Message-ID: <20260115092015.3928975-20-david@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115092015.3928975-1-david@kernel.org> References: <20260115092015.3928975-1-david@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: yihguk6d6cddqd7k71utx4s8cwpyfpts X-Rspam-User: X-Rspamd-Queue-Id: 173FAA000F X-Rspamd-Server: rspam08 X-HE-Tag: 1768468955-130234 X-HE-Meta: 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 60bAxl36 zXc1EUYc+adibO/ZhT8JP7lXTm2JeRrzyqjkvjvDblJdF+oR9tXRTkUjV/r+IpTP2sZ0h2uyR/d2/T/nuIccHFx+39bnojaTmuWVL/8CuNsimM1QDUMPyVc8Nhfx5wTU/QDnTY+htUwk4VdeEtAp71MrPhZIejcFIsP9jms0c58detwoFiZACGL23/GjUjjZV9y6Nqnf+Fm1rHxQjqdm8SgdzUrUFo6EtQKuQs1Joi9l4RiSE4WEuTTVo8nZETmD2P1yDlBhOa9odzvCO4bHA63W4Dnrc62cjV6wSG2az7GN78Uy3NjvhO7WlSqwGno2ZJmXcj5TEkJJhLO6UaC0S1hhZ/g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Even without CONFIG_BALLOON_COMPACTION this infrastructure implements basic list and page management for a memory balloon. Signed-off-by: David Hildenbrand (Red Hat) --- Documentation/core-api/mm-api.rst | 2 +- MAINTAINERS | 4 ++-- arch/powerpc/platforms/pseries/cmm.c | 2 +- drivers/misc/vmw_balloon.c | 2 +- drivers/virtio/virtio_balloon.c | 2 +- include/linux/{balloon_compaction.h => balloon.h} | 11 +++++------ mm/Makefile | 2 +- mm/{balloon_compaction.c => balloon.c} | 7 +++---- 8 files changed, 15 insertions(+), 17 deletions(-) rename include/linux/{balloon_compaction.h => balloon.h} (92%) rename mm/{balloon_compaction.c => balloon.c} (98%) diff --git a/Documentation/core-api/mm-api.rst b/Documentation/core-api/mm-api.rst index 68193a4cfcf52..aabdd3cba58e8 100644 --- a/Documentation/core-api/mm-api.rst +++ b/Documentation/core-api/mm-api.rst @@ -130,5 +130,5 @@ More Memory Management Functions .. kernel-doc:: mm/vmscan.c .. kernel-doc:: mm/memory_hotplug.c .. kernel-doc:: mm/mmu_notifier.c -.. kernel-doc:: mm/balloon_compaction.c +.. kernel-doc:: mm/balloon.c .. kernel-doc:: mm/huge_memory.c diff --git a/MAINTAINERS b/MAINTAINERS index 0d044a58cbfe0..de8f89ca1149f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -27536,9 +27536,9 @@ M: David Hildenbrand L: virtualization@lists.linux.dev S: Maintained F: drivers/virtio/virtio_balloon.c -F: include/linux/balloon_compaction.h +F: include/linux/balloon.h F: include/uapi/linux/virtio_balloon.h -F: mm/balloon_compaction.c +F: mm/balloon.c VIRTIO BLOCK AND SCSI DRIVERS M: "Michael S. Tsirkin" diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index 7fd8b3d7e7637..7a3c4922685ab 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c index 53e9335b6718c..7fd3f709108c2 100644 --- a/drivers/misc/vmw_balloon.c +++ b/drivers/misc/vmw_balloon.c @@ -29,7 +29,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 6ae00de78b61b..de8041c3285a1 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -13,7 +13,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon.h similarity index 92% rename from include/linux/balloon_compaction.h rename to include/linux/balloon.h index 7757e0e314fdb..82585542300d6 100644 --- a/include/linux/balloon_compaction.h +++ b/include/linux/balloon.h @@ -1,8 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * include/linux/balloon_compaction.h - * - * Common interface definitions for making balloon pages movable by compaction. + * Common interface for implementing a memory balloon, including support + * for migration of pages inflated in a memory balloon. * * Balloon page migration makes use of the general "movable_ops page migration" * feature. @@ -35,8 +34,8 @@ * * Copyright (C) 2012, Red Hat, Inc. Rafael Aquini */ -#ifndef _LINUX_BALLOON_COMPACTION_H -#define _LINUX_BALLOON_COMPACTION_H +#ifndef _LINUX_BALLOON_H +#define _LINUX_BALLOON_H #include #include #include @@ -75,4 +74,4 @@ static inline void balloon_devinfo_init(struct balloon_dev_info *balloon) balloon->migratepage = NULL; balloon->adjust_managed_page_count = false; } -#endif /* _LINUX_BALLOON_COMPACTION_H */ +#endif /* _LINUX_BALLOON_H */ diff --git a/mm/Makefile b/mm/Makefile index 9175f8cc65658..1e31e0a528dc1 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -122,7 +122,7 @@ obj-$(CONFIG_CMA) += cma.o obj-$(CONFIG_NUMA) += numa.o obj-$(CONFIG_NUMA_MEMBLKS) += numa_memblks.o obj-$(CONFIG_NUMA_EMU) += numa_emulation.o -obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o +obj-$(CONFIG_MEMORY_BALLOON) += balloon.o obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o obj-$(CONFIG_PAGE_TABLE_CHECK) += page_table_check.o obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o diff --git a/mm/balloon_compaction.c b/mm/balloon.c similarity index 98% rename from mm/balloon_compaction.c rename to mm/balloon.c index f41e4a179a431..5734dae81e318 100644 --- a/mm/balloon_compaction.c +++ b/mm/balloon.c @@ -1,15 +1,14 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * mm/balloon_compaction.c - * - * Common interface for making balloon pages movable by compaction. + * Common interface for implementing a memory balloon, including support + * for migration of pages inflated in a memory balloon. * * Copyright (C) 2012, Red Hat, Inc. Rafael Aquini */ #include #include #include -#include +#include /* * Lock protecting the balloon_dev_info of all devices. We don't really -- 2.52.0