Date: Tue, 14 Feb 2023 22:06:33 GMT From: =?utf-8?Q?Jean-S=C3=A9bastien=20P=C3=A9dron?= <dumbbell@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 836367272917 - main - linuxkpi: Add `synchronize_shrinkers()` Message-ID: <202302142206.31EM6XPx004084@gitrepo.freebsd.org>
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The branch main has been updated by dumbbell (ports committer): URL: https://cgit.FreeBSD.org/src/commit/?id=83636727291714c235726da987a02c5b1d51bb54 commit 83636727291714c235726da987a02c5b1d51bb54 Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2023-02-13 20:49:28 +0000 Commit: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> CommitDate: 2023-02-14 22:01:06 +0000 linuxkpi: Add `synchronize_shrinkers()` It takes the lock and release it immediately to make sure no shrinkers are running in parallel. Reviewed by: manu Approved by: manu Differential Revision: https://reviews.freebsd.org/D38565 --- sys/compat/linuxkpi/common/include/linux/shrinker.h | 2 ++ sys/compat/linuxkpi/common/src/linux_shrinker.c | 8 ++++++++ 2 files changed, 10 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/shrinker.h b/sys/compat/linuxkpi/common/include/linux/shrinker.h index 39ea35f0a862..04e96a12c4bd 100644 --- a/sys/compat/linuxkpi/common/include/linux/shrinker.h +++ b/sys/compat/linuxkpi/common/include/linux/shrinker.h @@ -51,8 +51,10 @@ struct shrinker { int linuxkpi_register_shrinker(struct shrinker *s); void linuxkpi_unregister_shrinker(struct shrinker *s); +void linuxkpi_synchronize_shrinkers(void); #define register_shrinker(s) linuxkpi_register_shrinker(s) #define unregister_shrinker(s) linuxkpi_unregister_shrinker(s) +#define synchronize_shrinkers() linuxkpi_synchronize_shrinkers() #endif /* _LINUXKPI_LINUX_SHRINKER_H_ */ diff --git a/sys/compat/linuxkpi/common/src/linux_shrinker.c b/sys/compat/linuxkpi/common/src/linux_shrinker.c index b48e491a4e2f..227ef3261cb3 100644 --- a/sys/compat/linuxkpi/common/src/linux_shrinker.c +++ b/sys/compat/linuxkpi/common/src/linux_shrinker.c @@ -64,6 +64,14 @@ linuxkpi_unregister_shrinker(struct shrinker *s) sx_xunlock(&sx_shrinker); } +void +linuxkpi_synchronize_shrinkers(void) +{ + + sx_xlock(&sx_shrinker); + sx_xunlock(&sx_shrinker); +} + #define SHRINKER_BATCH 512 static void
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