Date: Mon, 3 May 2010 15:52:00 +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: r207571 - head/sys/dev/ti Message-ID: <201005031552.o43Fq06a023570@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: alc Date: Mon May 3 15:51:59 2010 New Revision: 207571 URL: http://svn.freebsd.org/changeset/base/207571 Log: Neither the page lock nor the page queues lock is required to unwire and free a VM_ALLOC_NOOBJ page. (Such pages are unmanaged.) Modified: head/sys/dev/ti/if_ti.c Modified: head/sys/dev/ti/if_ti.c ============================================================================== --- head/sys/dev/ti/if_ti.c Mon May 3 14:30:49 2010 (r207570) +++ head/sys/dev/ti/if_ti.c Mon May 3 15:51:59 2010 (r207571) @@ -1488,10 +1488,8 @@ ti_newbuf_jumbo(sc, idx, m_old) } sf[i] = sf_buf_alloc(frame, SFB_NOWAIT); if (sf[i] == NULL) { - vm_page_lock_queues(); vm_page_unwire(frame, 0); vm_page_free(frame); - vm_page_unlock_queues(); device_printf(sc->ti_dev, "buffer allocation " "failed -- packet dropped!\n"); printf(" index %d page %d\n", idx, i);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201005031552.o43Fq06a023570>