Date: Sat, 14 Oct 2017 17:51:25 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r324618 - stable/11/sys/kern Message-ID: <201710141751.v9EHpPEN027641@repo.freebsd.org>
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Author: markj Date: Sat Oct 14 17:51:25 2017 New Revision: 324618 URL: https://svnweb.freebsd.org/changeset/base/324618 Log: MFC r324146: Have uiomove_object_page() keep accessed pages in the active queue. Modified: stable/11/sys/kern/uipc_shm.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/uipc_shm.c ============================================================================== --- stable/11/sys/kern/uipc_shm.c Sat Oct 14 16:49:39 2017 (r324617) +++ stable/11/sys/kern/uipc_shm.c Sat Oct 14 17:51:25 2017 (r324618) @@ -203,12 +203,10 @@ uiomove_object_page(vm_object_t obj, size_t len, struc } vm_page_lock(m); vm_page_hold(m); - if (m->queue == PQ_NONE) { - vm_page_deactivate(m); - } else { - /* Requeue to maintain LRU ordering. */ - vm_page_requeue(m); - } + if (m->queue != PQ_ACTIVE) + vm_page_activate(m); + else + vm_page_reference(m); vm_page_unlock(m); VM_OBJECT_WUNLOCK(obj); error = uiomove_fromphys(&m, offset, tlen, uio);
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