From: Oscar Salvador <osalvador@xxxxxxx>
Make a proper if-else condition for {hard,soft}-offline.
Signed-off-by: Oscar Salvador <osalvador@xxxxxxxx>
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
---
mm/madvise.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git v5.8-rc7-mmotm-2020-07-27-18-18/mm/madvise.c v5.8-rc7-mmotm-2020-07-27-18-18_patched/mm/madvise.c
index 1fe89a5b8d33..2c50c2c5673b 100644
--- v5.8-rc7-mmotm-2020-07-27-18-18/mm/madvise.c
+++ v5.8-rc7-mmotm-2020-07-27-18-18_patched/mm/madvise.c
@@ -886,16 +886,15 @@ static long madvise_remove(struct vm_area_struct *vma,
static int madvise_inject_error(int behavior,
unsigned long start, unsigned long end)
{
- struct page *page;
struct zone *zone;
unsigned long size;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
-
for (; start < end; start += size) {
unsigned long pfn;
+ struct page *page;
int ret;
ret = get_user_pages_fast(start, 1, 0, &page);
@@ -925,17 +924,14 @@ static int madvise_inject_error(int behavior,
if (behavior == MADV_SOFT_OFFLINE) {
pr_info("Soft offlining pfn %#lx at process virtual address %#lx\n",
- pfn, start);
-
+ pfn, start);
ret = soft_offline_page(pfn, 0);
- if (ret)
- return ret;
- continue;
+ } else {
+ pr_info("Injecting memory failure for pfn %#lx at process virtual address %#lx\n",
+ pfn, start);
+ ret = memory_failure(pfn, 0);
}
- pr_info("Injecting memory failure for pfn %#lx at process virtual address %#lx\n",
- pfn, start);
- ret = memory_failure(pfn, 0);
if (ret)
return ret;
}
--
2.17.1
