Date: Sun, 2 May 2010 23:33:10 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r207544 - head/sys/vm Message-ID: <201005022333.o42NXAFO006055@svn.freebsd.org>
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Author: alc Date: Sun May 2 23:33:10 2010 New Revision: 207544 URL: http://svn.freebsd.org/changeset/base/207544 Log: Add page lock assertions where we access the page's hold_count. Modified: head/sys/vm/vm_page.c Modified: head/sys/vm/vm_page.c ============================================================================== --- head/sys/vm/vm_page.c Sun May 2 22:48:27 2010 (r207543) +++ head/sys/vm/vm_page.c Sun May 2 23:33:10 2010 (r207544) @@ -1657,6 +1657,7 @@ vm_page_try_to_cache(vm_page_t m) { mtx_assert(&vm_page_queue_mtx, MA_OWNED); + vm_page_lock_assert(m, MA_OWNED); VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED); if (m->dirty || m->hold_count || m->busy || m->wire_count || (m->oflags & VPO_BUSY) || (m->flags & PG_UNMANAGED)) { @@ -1680,6 +1681,7 @@ vm_page_try_to_free(vm_page_t m) { mtx_assert(&vm_page_queue_mtx, MA_OWNED); + vm_page_lock_assert(m, MA_OWNED); if (m->object != NULL) VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED); if (m->dirty || m->hold_count || m->busy || m->wire_count || @@ -1707,6 +1709,7 @@ vm_page_cache(vm_page_t m) vm_page_t root; mtx_assert(&vm_page_queue_mtx, MA_OWNED); + vm_page_lock_assert(m, MA_OWNED); object = m->object; VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); if ((m->flags & PG_UNMANAGED) || (m->oflags & VPO_BUSY) || m->busy ||
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