Date: Sun, 16 Aug 2020 20:52:25 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r364285 - head/sys/vm Message-ID: <202008162052.07GKqPbA070411@repo.freebsd.org>
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Author: kib Date: Sun Aug 16 20:52:24 2020 New Revision: 364285 URL: https://svnweb.freebsd.org/changeset/base/364285 Log: Atomically update vm_object vnp_size, where atomic is available. This will be used later, where it matters on 32bit arches. Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D25968 Modified: head/sys/vm/vnode_pager.c Modified: head/sys/vm/vnode_pager.c ============================================================================== --- head/sys/vm/vnode_pager.c Sun Aug 16 19:14:04 2020 (r364284) +++ head/sys/vm/vnode_pager.c Sun Aug 16 20:52:24 2020 (r364285) @@ -520,7 +520,11 @@ vnode_pager_setsize(struct vnode *vp, vm_ooffset_t nsi vm_page_xunbusy(m); } out: +#if defined(__powerpc__) && !defined(__powerpc64__) object->un_pager.vnp.vnp_size = nsize; +#else + atomic_store_64(&object->un_pager.vnp.vnp_size, nsize); +#endif object->size = nobjsize; VM_OBJECT_WUNLOCK(object); }
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