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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Fri, 1 Dec 2017 01:51:33 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-user@freebsd.org
Subject: svn commit: r326418 - user/jeff/numa/sys/vm
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Author: jeff
Date: Fri Dec  1 01:51:32 2017
New Revision: 326418
URL: https://svnweb.freebsd.org/changeset/base/326418

Log:
  Address Markj's review feedback.

Modified:
  user/jeff/numa/sys/vm/vm_kern.c
  user/jeff/numa/sys/vm/vm_page.c
  user/jeff/numa/sys/vm/vm_page.h
  user/jeff/numa/sys/vm/vm_reserv.c

Modified: user/jeff/numa/sys/vm/vm_kern.c
==============================================================================
--- user/jeff/numa/sys/vm/vm_kern.c	Fri Dec  1 01:36:33 2017	(r326417)
+++ user/jeff/numa/sys/vm/vm_kern.c	Fri Dec  1 01:51:32 2017	(r326418)
@@ -192,8 +192,8 @@ retry:
 		if (m == NULL) {
 			VM_OBJECT_WUNLOCK(object);
 			if (tries < ((flags & M_NOWAIT) != 0 ? 1 : 3)) {
-				if (!vm_page_reclaim_contig_domain(pflags, 1,
-				    domain, low, high, PAGE_SIZE, 0) &&
+				if (!vm_page_reclaim_contig_domain(domain,
+				    pflags, 1, low, high, PAGE_SIZE, 0) &&
 				    (flags & M_WAITOK) != 0)
 					VM_WAIT;
 				VM_OBJECT_WLOCK(object);
@@ -284,8 +284,8 @@ retry:
 	if (m == NULL) {
 		VM_OBJECT_WUNLOCK(object);
 		if (tries < ((flags & M_NOWAIT) != 0 ? 1 : 3)) {
-			if (!vm_page_reclaim_contig_domain(pflags, npages,
-			    domain, low, high, alignment, boundary) &&
+			if (!vm_page_reclaim_contig_domain(domain, pflags,
+			    npages, low, high, alignment, boundary) &&
 			    (flags & M_WAITOK) != 0)
 				VM_WAIT;
 			VM_OBJECT_WLOCK(object);
@@ -538,7 +538,7 @@ _kmem_unback(vm_object_t object, vm_offset_t addr, vm_
 	    ("kmem_unback: only supports kernel object."));
 
 	if (size == 0)
-		return 0;
+		return (0);
 	pmap_remove(kernel_pmap, addr, addr + size);
 	offset = addr - VM_MIN_KERNEL_ADDRESS;
 	end = offset + size;
@@ -552,7 +552,7 @@ _kmem_unback(vm_object_t object, vm_offset_t addr, vm_
 	}
 	VM_OBJECT_WUNLOCK(object);
 
-	return domain;
+	return (domain);
 }
 
 void

Modified: user/jeff/numa/sys/vm/vm_page.c
==============================================================================
--- user/jeff/numa/sys/vm/vm_page.c	Fri Dec  1 01:36:33 2017	(r326417)
+++ user/jeff/numa/sys/vm/vm_page.c	Fri Dec  1 01:51:32 2017	(r326418)
@@ -2568,7 +2568,7 @@ CTASSERT(powerof2(NRUNS));
  *	must be a power of two.
  */
 bool
-vm_page_reclaim_contig_domain(int req, u_long npages, int domain,
+vm_page_reclaim_contig_domain(int domain, int req, u_long npages,
     vm_paddr_t low, vm_paddr_t high, u_long alignment, vm_paddr_t boundary)
 {
 	vm_paddr_t curr_low;
@@ -2662,7 +2662,7 @@ vm_page_reclaim_contig(int req, u_long npages, vm_padd
 	ret = false;
 	vm_policy_iterator_init(&vi);
 	while ((vm_domain_iterator_run(&vi, &domain)) == 0) {
-		ret = vm_page_reclaim_contig_domain(req, npages, domain, low,
+		ret = vm_page_reclaim_contig_domain(domain, req, npages, low,
 		    high, alignment, boundary);
 		if (ret)
 			break;

Modified: user/jeff/numa/sys/vm/vm_page.h
==============================================================================
--- user/jeff/numa/sys/vm/vm_page.h	Fri Dec  1 01:36:33 2017	(r326417)
+++ user/jeff/numa/sys/vm/vm_page.h	Fri Dec  1 01:51:32 2017	(r326418)
@@ -515,7 +515,7 @@ void vm_page_putfake(vm_page_t m);
 void vm_page_readahead_finish(vm_page_t m);
 bool vm_page_reclaim_contig(int req, u_long npages, vm_paddr_t low,
     vm_paddr_t high, u_long alignment, vm_paddr_t boundary);
-bool vm_page_reclaim_contig_domain(int req, u_long npages, int domain,
+bool vm_page_reclaim_contig_domain(int domain, int req, u_long npages,
     vm_paddr_t low, vm_paddr_t high, u_long alignment, vm_paddr_t boundary);
 void vm_page_reference(vm_page_t m);
 void vm_page_remove (vm_page_t);

Modified: user/jeff/numa/sys/vm/vm_reserv.c
==============================================================================
--- user/jeff/numa/sys/vm/vm_reserv.c	Fri Dec  1 01:36:33 2017	(r326417)
+++ user/jeff/numa/sys/vm/vm_reserv.c	Fri Dec  1 01:51:32 2017	(r326418)
@@ -549,6 +549,8 @@ vm_reserv_alloc_contig(vm_object_t object, vm_pindex_t
 	    VM_LEVEL_0_SIZE), boundary > VM_LEVEL_0_SIZE ? boundary : 0);
 	if (m == NULL)
 		return (NULL);
+	KASSERT(vm_phys_domidx(m) == domain,
+	    ("vm_reserv_alloc_contig: Page domain does not match requested."));
 
 	/*
 	 * The allocated physical pages always begin at a reservation
@@ -568,7 +570,7 @@ vm_reserv_alloc_contig(vm_object_t object, vm_pindex_t
 		LIST_INSERT_HEAD(&object->rvq, rv, objq);
 		rv->object = object;
 		rv->pindex = first;
-		rv->domain = vm_phys_domidx(m);
+		rv->domain = domain;
 		KASSERT(rv->popcnt == 0,
 		    ("vm_reserv_alloc_contig: reserv %p's popcnt is corrupted",
 		    rv));