From: akpm@linux-foundation.org
To: mm-commits@vger.kernel.org, zeil@yandex-team.ru,
tony.luck@intel.com, osalvador@suse.de, mike.kravetz@oracle.com,
mhocko@kernel.org, david@redhat.com, dave.hansen@intel.com,
aneesh.kumar@linux.vnet.ibm.com, aneesh.kumar@linux.ibm.com,
naoya.horiguchi@nec.com
Subject: + mmhwpoison-remove-mf_count_increased.patch added to -mm tree
Date: Wed, 24 Jun 2020 12:19:37 -0700 [thread overview]
Message-ID: <20200624191937.SNAep%akpm@linux-foundation.org> (raw)
The patch titled
Subject: mm,hwpoison: remove MF_COUNT_INCREASED
has been added to the -mm tree. Its filename is
mmhwpoison-remove-mf_count_increased.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mmhwpoison-remove-mf_count_increased.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mmhwpoison-remove-mf_count_increased.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: Naoya Horiguchi <naoya.horiguchi@nec.com>
Subject: mm,hwpoison: remove MF_COUNT_INCREASED
Now there's no user of MF_COUNT_INCREASED, so we can safely remove it from
all calling points.
Link: http://lkml.kernel.org/r/20200624150137.7052-9-nao.horiguchi@gmail.com
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Dmitry Yakunin <zeil@yandex-team.ru>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/mm.h | 7 +++----
mm/memory-failure.c | 14 +++-----------
2 files changed, 6 insertions(+), 15 deletions(-)
--- a/include/linux/mm.h~mmhwpoison-remove-mf_count_increased
+++ a/include/linux/mm.h
@@ -2985,10 +2985,9 @@ void register_page_bootmem_memmap(unsign
unsigned long nr_pages);
enum mf_flags {
- MF_COUNT_INCREASED = 1 << 0,
- MF_ACTION_REQUIRED = 1 << 1,
- MF_MUST_KILL = 1 << 2,
- MF_SOFT_OFFLINE = 1 << 3,
+ MF_ACTION_REQUIRED = 1 << 0,
+ MF_MUST_KILL = 1 << 1,
+ MF_SOFT_OFFLINE = 1 << 2,
};
extern int memory_failure(unsigned long pfn, int flags);
extern void memory_failure_queue(unsigned long pfn, int flags);
--- a/mm/memory-failure.c~mmhwpoison-remove-mf_count_increased
+++ a/mm/memory-failure.c
@@ -1118,7 +1118,7 @@ static int memory_failure_hugetlb(unsign
num_poisoned_pages_inc();
- if (!(flags & MF_COUNT_INCREASED) && !get_hwpoison_page(p)) {
+ if (!get_hwpoison_page(p)) {
/*
* Check "filter hit" and "race with other subpage."
*/
@@ -1314,7 +1314,7 @@ int memory_failure(unsigned long pfn, in
* In fact it's dangerous to directly bump up page count from 0,
* that may make page_ref_freeze()/page_ref_unfreeze() mismatch.
*/
- if (!(flags & MF_COUNT_INCREASED) && !get_hwpoison_page(p)) {
+ if (!get_hwpoison_page(p)) {
if (is_free_buddy_page(p)) {
action_result(pfn, MF_MSG_BUDDY, MF_DELAYED);
return 0;
@@ -1354,10 +1354,7 @@ int memory_failure(unsigned long pfn, in
shake_page(p, 0);
/* shake_page could have turned it free. */
if (!PageLRU(p) && is_free_buddy_page(p)) {
- if (flags & MF_COUNT_INCREASED)
- action_result(pfn, MF_MSG_BUDDY, MF_DELAYED);
- else
- action_result(pfn, MF_MSG_BUDDY_2ND, MF_DELAYED);
+ action_result(pfn, MF_MSG_BUDDY_2ND, MF_DELAYED);
return 0;
}
@@ -1655,9 +1652,6 @@ static int __get_any_page(struct page *p
{
int ret;
- if (flags & MF_COUNT_INCREASED)
- return 1;
next reply other threads:[~2020-06-24 19:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-24 19:19 akpm [this message]
2020-07-03 22:14 incoming Andrew Morton
2020-07-16 21:46 ` + mmhwpoison-remove-mf_count_increased.patch added to -mm tree Andrew Morton
2020-07-24 4:14 incoming Andrew Morton
2020-07-31 20:06 ` + mmhwpoison-remove-mf_count_increased.patch added to -mm tree Andrew Morton
2020-11-20 23:59 akpm
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200624191937.SNAep%akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=aneesh.kumar@linux.ibm.com \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=dave.hansen@intel.com \
--cc=david@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mhocko@kernel.org \
--cc=mike.kravetz@oracle.com \
--cc=mm-commits@vger.kernel.org \
--cc=naoya.horiguchi@nec.com \
--cc=osalvador@suse.de \
--cc=tony.luck@intel.com \
--cc=zeil@yandex-team.ru \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).