Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1404786 > unrolled thread
| Started by | David Miller <davem@davemloft.net> |
|---|---|
| First post | 2016-05-21 03:50 +0200 |
| Last post | 2016-05-21 03:50 +0200 |
| Articles | 1 — 1 participant |
Back to article view | Back to linux.kernel
This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by
below is the oldest one visible, not the original post.
Re: [PATCH v4] sparc64: Reduce TLB flushes during hugepte changes David Miller <davem@davemloft.net> - 2016-05-21 03:50 +0200
| From | David Miller <davem@davemloft.net> |
|---|---|
| Date | 2016-05-21 03:50 +0200 |
| Subject | Re: [PATCH v4] sparc64: Reduce TLB flushes during hugepte changes |
| Message-ID | <rB4db-5yY-1@gated-at.bofh.it> |
From: Nitin Gupta <nitin.m.gupta@oracle.com> Date: Wed, 30 Mar 2016 11:17:13 -0700 > During hugepage map/unmap, TSB and TLB flushes are currently > issued at every PAGE_SIZE'd boundary which is unnecessary. > We now issue the flush at REAL_HPAGE_SIZE boundaries only. > > Without this patch workloads which unmap a large hugepage > backed VMA region get CPU lockups due to excessive TLB > flush calls. > > Orabug: 22365539, 22643230, 22995196 > > Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com> Looks good, applied and queued up for -stable. Thanks for being so patient.
Back to top | Article view | linux.kernel
csiph-web