Date: Tue, 21 Nov 2017 21:16:48 +0000 (UTC) From: Jeff Roberson <jeff@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r326076 - user/jeff/numa/sys/vm Message-ID: <201711212116.vALLGmV3081955@repo.freebsd.org>
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Author: jeff Date: Tue Nov 21 21:16:48 2017 New Revision: 326076 URL: https://svnweb.freebsd.org/changeset/base/326076 Log: Update for r325992 Just return if the caller specifies a zero size. This can happen when kmem_back fails to allocate the first page. Modified: user/jeff/numa/sys/vm/vm_kern.c Modified: user/jeff/numa/sys/vm/vm_kern.c ============================================================================== --- user/jeff/numa/sys/vm/vm_kern.c Tue Nov 21 20:46:21 2017 (r326075) +++ user/jeff/numa/sys/vm/vm_kern.c Tue Nov 21 21:16:48 2017 (r326076) @@ -528,6 +528,8 @@ _kmem_unback(vm_object_t object, vm_offset_t addr, vm_ KASSERT(object == kernel_object, ("kmem_unback: only supports kernel object.")); + if (size == 0) + return 0; pmap_remove(kernel_pmap, addr, addr + size); offset = addr - VM_MIN_KERNEL_ADDRESS; end = offset + size;
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