summaryrefslogtreecommitdiffstats
path: root/mm/mprotect.c
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <acme@redhat.com>2023-02-06 09:25:56 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-02-06 09:25:56 -0300
commitab809efaeba0cca20cfcda23852b0ee958f6ea69 (patch)
tree36b168deb9908cba8605bb8fa026bdacc26560db /mm/mprotect.c
parent17f248aa8664ff5b3643491136283e73b5c18166 (diff)
parentd2d11f342b179f1894a901f143ec7c008caba43e (diff)
downloadlinux-stable-ab809efaeba0cca20cfcda23852b0ee958f6ea69.tar.gz
linux-stable-ab809efaeba0cca20cfcda23852b0ee958f6ea69.tar.bz2
linux-stable-ab809efaeba0cca20cfcda23852b0ee958f6ea69.zip
Merge remote-tracking branch 'torvalds/master' into perf/core
To sync with libbpf, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'mm/mprotect.c')
-rw-r--r--mm/mprotect.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 908df12caa26..61cf60015a8b 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -245,7 +245,13 @@ static unsigned long change_pte_range(struct mmu_gather *tlb,
newpte = pte_swp_mksoft_dirty(newpte);
if (pte_swp_uffd_wp(oldpte))
newpte = pte_swp_mkuffd_wp(newpte);
- } else if (pte_marker_entry_uffd_wp(entry)) {
+ } else if (is_pte_marker_entry(entry)) {
+ /*
+ * Ignore swapin errors unconditionally,
+ * because any access should sigbus anyway.
+ */
+ if (is_swapin_error_entry(entry))
+ continue;
/*
* If this is uffd-wp pte marker and we'd like
* to unprotect it, drop it; the next page