The patch titled
Subject: mm,madvise: Refactor madvise_inject_error
has been added to the -mm tree. Its filename is
mmmadvise-refactor-madvise_inject_error.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mmmadvise-refactor-madvise_inject_error.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mmmadvise-refactor-madvise_inject_error.patch
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 and is updated
there every 3-4 working days
------------------------------------------------------
From: Oscar Salvador <osalvador@xxxxxxx>
Subject: mm,madvise: Refactor madvise_inject_error
Make a proper if-else condition for {hard,soft}-offline.
Link: http://lkml.kernel.org/r/20200716123810.25292-5-osalvador@xxxxxxx
Signed-off-by: Oscar Salvador <osalvador@xxxxxxxx>
Acked-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Dmitry Yakunin <zeil@xxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/madvise.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
--- a/mm/madvise.c~mmmadvise-refactor-madvise_inject_error
+++ a/mm/madvise.c
@@ -869,7 +869,6 @@ static long madvise_remove(struct vm_are
static int madvise_inject_error(int behavior,
unsigned long start, unsigned long end)
{
- struct page *page;
struct zone *zone;
unsigned long size;
@@ -879,6 +878,7 @@ static int madvise_inject_error(int beha
for (; start < end; start += size) {
unsigned long pfn;
+ struct page *page;
int ret;
ret = get_user_pages_fast(start, 1, 0, &page);
@@ -908,17 +908,15 @@ static int madvise_inject_error(int beha
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;
}
_
Patches currently in -mm which might be from osalvador@xxxxxxx are
mmmadvise-refactor-madvise_inject_error.patch
mmhwpoison-un-export-get_hwpoison_page-and-make-it-static.patch
mmhwpoison-kill-put_hwpoison_page.patch
mmhwpoison-unify-thp-handling-for-hard-and-soft-offline.patch
mmhwpoison-rework-soft-offline-for-free-pages.patch
mmhwpoison-rework-soft-offline-for-in-use-pages.patch
mmhwpoison-refactor-soft_offline_huge_page-and-__soft_offline_page.patch
mmhwpoison-return-0-if-the-page-is-already-poisoned-in-soft-offline.patch
mmhwpoison-introduce-mf_msg_unsplit_thp.patch
