Date: Mon, 25 Sep 2023 13:49:44 GMT From: Ed Maste <emaste@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: f4ebac8d805b - stable/13 - buf.h: Fix declaration of unmapped_buf Message-ID: <202309251349.38PDniw7028576@gitrepo.freebsd.org>
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The branch stable/13 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=f4ebac8d805b94c99b08d96a262218cbe48cd3a6 commit f4ebac8d805b94c99b08d96a262218cbe48cd3a6 Author: Sebastian Huber <sebastian.huber@embedded-brains.de> AuthorDate: 2022-07-19 18:09:43 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2023-09-25 13:49:25 +0000 buf.h: Fix declaration of unmapped_buf For architectures with a small-data area, the __read_mostly section must present at the object declaration. (emaste note: This does not appear to have an affect within FreeBSD, but may be needed by downstream projects that handle __read_mostly / __section(".data.read_mostly") differently.) Pull Request: https://github.com/freebsd/freebsd-src/pull/608 (cherry picked from commit ede6c6c0434a266a1712ffe807f4e31e229948df) --- sys/sys/buf.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/sys/buf.h b/sys/sys/buf.h index 73b68a51dce7..b46895b55892 100644 --- a/sys/sys/buf.h +++ b/sys/sys/buf.h @@ -510,7 +510,8 @@ extern int bdwriteskip; extern int dirtybufferflushes; extern int altbufferflushes; extern int nswbuf; /* Number of swap I/O buffer headers. */ -extern caddr_t unmapped_buf; /* Data address for unmapped buffers. */ +extern caddr_t __read_mostly unmapped_buf; /* Data address for unmapped + buffers. */ static inline int buf_mapped(struct buf *bp)
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