Author: mav
Date: Tue Jan 7 23:29:54 2020
New Revision: 356482
URL: https://svnweb.freebsd.org/changeset/base/356482
Log:
Minor adjustments to r356474 and r356480.
Reported by: jkim, imp
MFC after: 2 weeks
X-MFC-with: r356474
Modified:
head/share/man/man4/nvme.4
head/sys/dev/nvme/nvme_ctrlr.c
Modified: head/share/man/man4/nvme.4
==============================================================================
--- head/share/man/man4/nvme.4 Tue Jan 7 23:18:31 2020 (r356481)
+++ head/share/man/man4/nvme.4 Tue Jan 7 23:29:54 2020 (r356482)
@@ -126,7 +126,7 @@ Buffer for capable devices, set the following tunable:
hw.nvme.hmb_max
.Ed
.Pp
-The default value is 1% of physical memory size per device.
+The default value is 5% of physical memory size per device.
.Pp
The
.Xr nvd 4
Modified: head/sys/dev/nvme/nvme_ctrlr.c
==============================================================================
--- head/sys/dev/nvme/nvme_ctrlr.c Tue Jan 7 23:18:31 2020
(r356481)
+++ head/sys/dev/nvme/nvme_ctrlr.c Tue Jan 7 23:29:54 2020
(r356482)
@@ -886,7 +886,7 @@ nvme_ctrlr_hmb_alloc(struct nvme_controller *ctrlr)
TUNABLE_UINT64_FETCH("hw.nvme.hmb_max", &max);
min = (long long unsigned)ctrlr->cdata.hmmin * 4096;
- if (max < min)
+ if (max == 0 || max < min)
return;
pref = MIN((long long unsigned)ctrlr->cdata.hmpre * 4096, max);
minc = MAX(ctrlr->cdata.hmminds * 4096, PAGE_SIZE);
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
