Date: Fri, 28 Feb 2020 20:32:35 +0000 (UTC) From: Jeff Roberson <jeff@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r358445 - head/sys/vm Message-ID: <202002282032.01SKWZUd048036@repo.freebsd.org>
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Author: jeff Date: Fri Feb 28 20:32:35 2020 New Revision: 358445 URL: https://svnweb.freebsd.org/changeset/base/358445 Log: Support the NOCREAT flag for grab_valid_unlocked. Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D23865 Modified: head/sys/vm/vm_page.c Modified: head/sys/vm/vm_page.c ============================================================================== --- head/sys/vm/vm_page.c Fri Feb 28 20:30:53 2020 (r358444) +++ head/sys/vm/vm_page.c Fri Feb 28 20:32:35 2020 (r358445) @@ -4639,6 +4639,10 @@ vm_page_grab_valid_unlocked(vm_page_t *mp, vm_object_t } vm_page_busy_release(m); } + if ((allocflags & VM_ALLOC_NOCREAT) != 0) { + *mp = NULL; + return (VM_PAGER_FAIL); + } VM_OBJECT_WLOCK(object); error = vm_page_grab_valid(mp, object, pindex, allocflags); VM_OBJECT_WUNLOCK(object);
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