| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20191017142123.24245-9-osalvador@suse.de>
Date: Thu, 17 Oct 2019 16:21:15 +0200
From: Oscar Salvador <osalvador@...e.de>
To: n-horiguchi@...jp.nec.com
Cc: mhocko@...nel.org, mike.kravetz@...cle.com, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, Oscar Salvador <osalvador@...e.de>
Subject: [RFC PATCH v2 08/16] mm,hwpoison: remove flag argument from soft offline functions
From: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
The argument @flag no longer affects the behavior of soft_offline_page()
and its variants, so let's remove them.
Signed-off-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Signed-off-by: Oscar Salvador <osalvador@...e.de>
---
drivers/base/memory.c | 2 +-
include/linux/mm.h | 2 +-
mm/madvise.c | 2 +-
mm/memory-failure.c | 27 +++++++++++++--------------
4 files changed, 16 insertions(+), 17 deletions(-)
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 55907c27075b..b3cae2eb1c4f 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -543,7 +543,7 @@ static ssize_t soft_offline_page_store(struct device *dev,
/* Only online pages can be soft-offlined (esp., not ZONE_DEVICE). */
if (!pfn_to_online_page(pfn))
return -EIO;
- ret = soft_offline_page(pfn_to_page(pfn), 0);
+ ret = soft_offline_page(pfn_to_page(pfn));
return ret == 0 ? count : ret;
}
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 4c2cf2ea9953..0f80a1ce4e86 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2791,7 +2791,7 @@ extern int sysctl_memory_failure_early_kill;
extern int sysctl_memory_failure_recovery;
extern void shake_page(struct page *p, int access);
extern atomic_long_t num_poisoned_pages __read_mostly;
-extern int soft_offline_page(struct page *page, int flags);
+extern int soft_offline_page(struct page *page);
/*
diff --git a/mm/madvise.c b/mm/madvise.c
index b765860a5d04..8a0b1f901d72 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -893,7 +893,7 @@ 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);
- ret = soft_offline_page(page, 0);
+ ret = soft_offline_page(page);
} else {
pr_info("Injecting memory failure for pfn %#lx at process virtual address %#lx\n",
pfn, start);
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index c6b31cf409d3..836d671fb74f 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1469,7 +1469,7 @@ static void memory_failure_work_func(struct work_struct *work)
if (!gotten)
break;
if (entry.flags & MF_SOFT_OFFLINE)
- soft_offline_page(pfn_to_page(entry.pfn), entry.flags);
+ soft_offline_page(pfn_to_page(entry.pfn));
else
memory_failure(entry.pfn, entry.flags);
}
@@ -1602,7 +1602,7 @@ static struct page *new_page(struct page *p, unsigned long private)
* that is not free, and 1 for any other page type.
* For 1 the page is returned with increased page count, otherwise not.
*/
-static int __get_any_page(struct page *p, unsigned long pfn, int flags)
+static int __get_any_page(struct page *p, unsigned long pfn)
{
int ret;
@@ -1629,9 +1629,9 @@ static int __get_any_page(struct page *p, unsigned long pfn, int flags)
return ret;
}
-static int get_any_page(struct page *page, unsigned long pfn, int flags)
+static int get_any_page(struct page *page, unsigned long pfn)
{
- int ret = __get_any_page(page, pfn, flags);
+ int ret = __get_any_page(page, pfn);
if (ret == 1 && !PageHuge(page) &&
!PageLRU(page) && !__PageMovable(page)) {
@@ -1644,7 +1644,7 @@ static int get_any_page(struct page *page, unsigned long pfn, int flags)
/*
* Did it turn free?
*/
- ret = __get_any_page(page, pfn, 0);
+ ret = __get_any_page(page, pfn);
if (ret == 1 && !PageLRU(page)) {
/* Drop page reference which is from __get_any_page() */
put_page(page);
@@ -1656,7 +1656,7 @@ static int get_any_page(struct page *page, unsigned long pfn, int flags)
return ret;
}
-static int soft_offline_huge_page(struct page *page, int flags)
+static int soft_offline_huge_page(struct page *page)
{
int ret;
unsigned long pfn = page_to_pfn(page);
@@ -1715,7 +1715,7 @@ static int soft_offline_huge_page(struct page *page, int flags)
return ret;
}
-static int __soft_offline_page(struct page *page, int flags)
+static int __soft_offline_page(struct page *page)
{
int ret;
unsigned long pfn = page_to_pfn(page);
@@ -1795,7 +1795,7 @@ static int __soft_offline_page(struct page *page, int flags)
return ret;
}
-static int soft_offline_in_use_page(struct page *page, int flags)
+static int soft_offline_in_use_page(struct page *page)
{
int ret;
int mt;
@@ -1825,9 +1825,9 @@ static int soft_offline_in_use_page(struct page *page, int flags)
mt = get_pageblock_migratetype(page);
set_pageblock_migratetype(page, MIGRATE_ISOLATE);
if (PageHuge(page))
- ret = soft_offline_huge_page(page, flags);
+ ret = soft_offline_huge_page(page);
else
- ret = __soft_offline_page(page, flags);
+ ret = __soft_offline_page(page);
set_pageblock_migratetype(page, mt);
return ret;
}
@@ -1848,7 +1848,6 @@ static int soft_offline_free_page(struct page *page)
/**
* soft_offline_page - Soft offline a page.
* @page: page to offline
- * @flags: flags. Same as memory_failure().
*
* Returns 0 on success, otherwise negated errno.
*
@@ -1867,7 +1866,7 @@ static int soft_offline_free_page(struct page *page)
* This is not a 100% solution for all memory, but tries to be
* ``good enough'' for the majority of memory.
*/
-int soft_offline_page(struct page *page, int flags)
+int soft_offline_page(struct page *page)
{
int ret;
unsigned long pfn = page_to_pfn(page);
@@ -1884,11 +1883,11 @@ int soft_offline_page(struct page *page, int flags)
}
get_online_mems();
- ret = get_any_page(page, pfn, flags);
+ ret = get_any_page(page, pfn);
put_online_mems();
if (ret > 0)
- ret = soft_offline_in_use_page(page, flags);
+ ret = soft_offline_in_use_page(page);
else if (ret == 0)
ret = soft_offline_free_page(page);
--
2.12.3
Powered by blists - more mailing lists