The patch titled
Subject: mm,hwpoison: remove flag argument from soft offline functions
has been added to the -mm tree. Its filename is
mmhwpoison-remove-flag-argument-from-soft-offline-functions.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mmhwpoison-remove-flag-argument-from-soft-offline-functions.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mmhwpoison-remove-flag-argument-from-soft-offline-functions.patch
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------------------------------------------------------
From: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Subject: mm,hwpoison: remove flag argument from soft offline functions
The argument @flag no longer affects the behavior of soft_offline_page()
and its variants, so let's remove them.
Link: https://lkml.kernel.org/r/20201119105716.5962-6-osalvador@xxxxxxx
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/base/memory.c | 2 +-
include/linux/mm.h | 2 +-
mm/madvise.c | 2 +-
mm/memory-failure.c | 9 ++++-----
4 files changed, 7 insertions(+), 8 deletions(-)
--- a/drivers/base/memory.c~mmhwpoison-remove-flag-argument-from-soft-offline-functions
+++ a/drivers/base/memory.c
@@ -464,7 +464,7 @@ static ssize_t soft_offline_page_store(s
if (kstrtoull(buf, 0, &pfn) < 0)
return -EINVAL;
pfn >>= PAGE_SHIFT;
- ret = soft_offline_page(pfn, 0);
+ ret = soft_offline_page(pfn);
return ret == 0 ? count : ret;
}
--- a/include/linux/mm.h~mmhwpoison-remove-flag-argument-from-soft-offline-functions
+++ a/include/linux/mm.h
@@ -3038,7 +3038,7 @@ extern int sysctl_memory_failure_early_k
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(unsigned long pfn, int flags);
+extern int soft_offline_page(unsigned long pfn);
/*
--- a/mm/madvise.c~mmhwpoison-remove-flag-argument-from-soft-offline-functions
+++ a/mm/madvise.c
@@ -913,7 +913,7 @@ 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);
- ret = soft_offline_page(pfn, 0);
+ ret = soft_offline_page(pfn);
} else {
pr_info("Injecting memory failure for pfn %#lx at process virtual address %#lx\n",
pfn, start);
--- a/mm/memory-failure.c~mmhwpoison-remove-flag-argument-from-soft-offline-functions
+++ a/mm/memory-failure.c
@@ -1572,7 +1572,7 @@ static void memory_failure_work_func(str
if (!gotten)
break;
if (entry.flags & MF_SOFT_OFFLINE)
- soft_offline_page(entry.pfn, entry.flags);
+ soft_offline_page(entry.pfn);
else
memory_failure(entry.pfn, entry.flags);
}
@@ -1712,7 +1712,7 @@ EXPORT_SYMBOL(unpoison_memory);
* We only incremented refcount in case the page was already in-use and it is
* a known type we can handle.
*/
-static int get_any_page(struct page *p, int flags)
+static int get_any_page(struct page *p)
{
int ret = 0, pass = 0;
@@ -1882,7 +1882,6 @@ static int soft_offline_free_page(struct
/**
* soft_offline_page - Soft offline a page.
* @pfn: pfn to soft-offline
- * @flags: flags. Same as memory_failure().
*
* Returns 0 on success, otherwise negated errno.
*
@@ -1901,7 +1900,7 @@ static int soft_offline_free_page(struct
* This is not a 100% solution for all memory, but tries to be
* ``good enough'' for the majority of memory.
*/
-int soft_offline_page(unsigned long pfn, int flags)
+int soft_offline_page(unsigned long pfn)
{
int ret;
struct page *page;
@@ -1921,7 +1920,7 @@ int soft_offline_page(unsigned long pfn,
retry:
get_online_mems();
- ret = get_any_page(page, flags);
+ ret = get_any_page(page);
put_online_mems();
if (ret > 0) {
_
Patches currently in -mm which might be from naoya.horiguchi@xxxxxxx are
mmmadvise-call-soft_offline_page-without-mf_count_increased.patch
mmhwpoison-remove-mf_count_increased.patch
mmhwpoison-remove-flag-argument-from-soft-offline-functions.patch
