summaryrefslogtreecommitdiffstats
path: root/mm/memory-failure.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-07-01 17:13:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-07-01 17:13:54 +0000
commit2957e9a7ea070524508a846205689431cb5c101f (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /mm/memory-failure.c
parentAdding upstream version 6.9.2. (diff)
downloadlinux-2957e9a7ea070524508a846205689431cb5c101f.tar.xz
linux-2957e9a7ea070524508a846205689431cb5c101f.zip
Adding upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mm/memory-failure.c')
-rw-r--r--mm/memory-failure.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 9e62a00b46..7751bd78fb 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1218,7 +1218,7 @@ static int me_huge_page(struct page_state *ps, struct page *p)
* subpages.
*/
folio_put(folio);
- if (__page_handle_poison(p) >= 0) {
+ if (__page_handle_poison(p) > 0) {
page_ref_inc(p);
res = MF_RECOVERED;
} else {
@@ -2097,7 +2097,7 @@ retry:
*/
if (res == 0) {
folio_unlock(folio);
- if (__page_handle_poison(p) >= 0) {
+ if (__page_handle_poison(p) > 0) {
page_ref_inc(p);
res = MF_RECOVERED;
} else {
@@ -2550,6 +2550,13 @@ int unpoison_memory(unsigned long pfn)
goto unlock_mutex;
}
+ if (is_huge_zero_page(&folio->page)) {
+ unpoison_pr_info("Unpoison: huge zero page is not supported %#lx\n",
+ pfn, &unpoison_rs);
+ ret = -EOPNOTSUPP;
+ goto unlock_mutex;
+ }
+
if (!PageHWPoison(p)) {
unpoison_pr_info("Unpoison: Page was already unpoisoned %#lx\n",
pfn, &unpoison_rs);