svn commit: r353714 - head/sys/dev/nvdimm

[Conrad Meyer]

Author: cem
Date: Fri Oct 18 03:01:21 2019
New Revision: 353714
URL: https://svnweb.freebsd.org/changeset/base/353714

Log:
  nvdimm_e820: Fix braino in size=all SPA hint
  
  The sentinel value for "use the rest of the region," -1, isn't zero modulo
  PAGE_SIZE.  Relax the check to permit the intended special value.
  
  X-MFC-With:	r353110
  Sponsored by:	Dell EMC Isilon

Modified:
  head/sys/dev/nvdimm/nvdimm_e820.c

Modified: head/sys/dev/nvdimm/nvdimm_e820.c
==============================================================================
--- head/sys/dev/nvdimm/nvdimm_e820.c	Fri Oct 18 02:25:30 2019	(r353713)
+++ head/sys/dev/nvdimm/nvdimm_e820.c	Fri Oct 18 03:01:21 2019	(r353714)
@@ -138,8 +138,8 @@ nvdimm_e820_create_spas(device_t dev)
 
 		hintaddr = (vm_paddr_t)hintaddrl;
 		hintsize = (vm_size_t)hintsizel;
-		if ((hintaddr & PAGE_MASK) != 0 || (hintsize & PAGE_MASK) != 0)
-		{
+		if ((hintaddr & PAGE_MASK) != 0 ||
+		    ((hintsize & PAGE_MASK) != 0 && hintsize != HINT_ALL)) {
 			device_printf(dev, "hint.nvdimm_spa.%u addr or size "
 			    "not page aligned\n", i);
 			continue;