+ mm-mempolicy-avoid-the-fallthrough-with-mpold_bind-in-mpol_misplaced.patch added to mm-unstable branch

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The patch titled
     Subject: mm/mempolicy: avoid the fallthrough with MPOLD_BIND in mpol_misplaced.
has been added to the -mm mm-unstable branch.  Its filename is
     mm-mempolicy-avoid-the-fallthrough-with-mpold_bind-in-mpol_misplaced.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mempolicy-avoid-the-fallthrough-with-mpold_bind-in-mpol_misplaced.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Donet Tom <donettom@xxxxxxxxxxxxx>
Subject: mm/mempolicy: avoid the fallthrough with MPOLD_BIND in mpol_misplaced.
Date: Sat, 17 Feb 2024 01:31:34 -0600

We will update MPOL_PREFERRED_MANY in the follow up patch. This change
is required for that.

Link: https://lkml.kernel.org/r/bf7e6779f842fb65cf7bb9b2c617feb2af271cb7.1708097962.git.donettom@xxxxxxxxxxxxx
Signed-off-by: Aneesh Kumar K.V (IBM) <aneesh.kumar@xxxxxxxxxx>
Signed-off-by: Donet Tom <donettom@xxxxxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Ben Widawsky <ben.widawsky@xxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Feng Tang <feng.tang@xxxxxxxxx>
Cc: "Huang, Ying" <ying.huang@xxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxxx>
Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/mempolicy.c |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

--- a/mm/mempolicy.c~mm-mempolicy-avoid-the-fallthrough-with-mpold_bind-in-mpol_misplaced
+++ a/mm/mempolicy.c
@@ -2769,7 +2769,15 @@ int mpol_misplaced(struct folio *folio,
 				break;
 			goto out;
 		}
-		fallthrough;
+
+		if (node_isset(curnid, pol->nodes))
+			goto out;
+		z = first_zones_zonelist(
+				node_zonelist(thisnid, GFP_HIGHUSER),
+				gfp_zone(GFP_HIGHUSER),
+				&pol->nodes);
+		polnid = zone_to_nid(z->zone);
+		break;
 
 	case MPOL_PREFERRED_MANY:
 		/*
_

Patches currently in -mm which might be from donettom@xxxxxxxxxxxxx are

mm-mempolicy-use-the-already-fetched-local-variable.patch
mm-mempolicy-avoid-the-fallthrough-with-mpold_bind-in-mpol_misplaced.patch
mm-numa_balancing-allow-migrate-on-protnone-reference-with-mpol_preferred_many-policy.patch





[Index of Archives]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux