+ mmhwpoison-remove-flag-argument-from-soft-offline-functions.patch added to -mm tree

* + mmhwpoison-remove-flag-argument-from-soft-offline-functions.patch added to -mm tree
@ 2020-11-20 23:59 akpm
  0 siblings, 0 replies; 4+ messages in thread
From: akpm @ 2020-11-20 23:59 UTC (permalink / raw)
  To: mm-commits, naoya.horiguchi, osalvador


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@nec.com>
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@suse.de
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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@nec.com 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


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