HWPOISON: Convert pr_debugs to pr_info

Convert a lot of pr_debugs in memory-failure.c that are generally useful
to pr_info. It's reasonable to print at least one message why
offlining succeeded or failed by default.

Signed-off-by: Andi Kleen <ak@linux.intel.com>

1 files changed, 12 insertions, 12 deletions

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index eebb9d8efae4..0a2ed9a17e8c 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -314,7 +314,7 @@ static void add_to_kill(struct task_struct *tsk, struct page *p,
          * a SIGKILL because the error is not contained anymore.
          */
         if (tk->addr == -EFAULT) {
-                pr_debug("MCE: Unable to find user space address %lx in %s\n",
+                pr_info("MCE: Unable to find user space address %lx in %s\n",
                         page_to_pfn(p), tsk->comm);
                 tk->addr_valid = 0;
         }
@@ -582,7 +582,7 @@ static int me_pagecache_clean(struct page *p, unsigned long pfn)
                                         pfn, err);
                 } else if (page_has_private(p) &&
                                 !try_to_release_page(p, GFP_NOIO)) {
-                        pr_debug("MCE %#lx: failed to release buffers\n", pfn);
+                        pr_info("MCE %#lx: failed to release buffers\n", pfn);
                 } else {
                         ret = RECOVERED;
                 }
@@ -1152,7 +1152,7 @@ int unpoison_memory(unsigned long pfn)
         page = compound_head(p);
 
         if (!PageHWPoison(p)) {
-                pr_debug("MCE: Page was already unpoisoned %#lx\n", pfn);
+                pr_info("MCE: Page was already unpoisoned %#lx\n", pfn);
                 return 0;
         }
 
@@ -1161,7 +1161,7 @@ int unpoison_memory(unsigned long pfn)
         if (!get_page_unless_zero(page)) {
                 if (TestClearPageHWPoison(p))
                         atomic_long_sub(nr_pages, &mce_bad_pages);
-                pr_debug("MCE: Software-unpoisoned free page %#lx\n", pfn);
+                pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn);
                 return 0;
         }
 
@@ -1173,7 +1173,7 @@ int unpoison_memory(unsigned long pfn)
          * the free buddy page pool.
          */
         if (TestClearPageHWPoison(page)) {
-                pr_debug("MCE: Software-unpoisoned page %#lx\n", pfn);
+                pr_info("MCE: Software-unpoisoned page %#lx\n", pfn);
                 atomic_long_sub(nr_pages, &mce_bad_pages);
                 freeit = 1;
         }
@@ -1222,12 +1222,12 @@ static int get_any_page(struct page *p, unsigned long pfn, int flags)
         set_migratetype_isolate(p);
         if (!get_page_unless_zero(compound_head(p))) {
                 if (is_free_buddy_page(p)) {
-                        pr_debug("get_any_page: %#lx free buddy page\n", pfn);
+                        pr_info("get_any_page: %#lx free buddy page\n", pfn);
                         /* Set hwpoison bit while page is still isolated */
                         SetPageHWPoison(p);
                         ret = 0;
                 } else {
-                        pr_debug("get_any_page: %#lx: unknown zero refcount page type %lx\n",
+                        pr_info("get_any_page: %#lx: unknown zero refcount page type %lx\n",
                                 pfn, p->flags);
                         ret = -EIO;
                 }
@@ -1293,7 +1293,7 @@ int soft_offline_page(struct page *page, int flags)
                         goto done;
         }
         if (!PageLRU(page)) {
-                pr_debug("soft_offline: %#lx: unknown non LRU page type %lx\n",
+                pr_info("soft_offline: %#lx: unknown non LRU page type %lx\n",
                                 pfn, page->flags);
                 return -EIO;
         }
@@ -1307,7 +1307,7 @@ int soft_offline_page(struct page *page, int flags)
         if (PageHWPoison(page)) {
                 unlock_page(page);
                 put_page(page);
-                pr_debug("soft offline: %#lx page already poisoned\n", pfn);
+                pr_info("soft offline: %#lx page already poisoned\n", pfn);
                 return -EBUSY;
         }
 
@@ -1328,7 +1328,7 @@ int soft_offline_page(struct page *page, int flags)
         put_page(page);
         if (ret == 1) {
                 ret = 0;
-                pr_debug("soft_offline: %#lx: invalidated\n", pfn);
+                pr_info("soft_offline: %#lx: invalidated\n", pfn);
                 goto done;
         }
 
@@ -1344,13 +1344,13 @@ int soft_offline_page(struct page *page, int flags)
                 list_add(&page->lru, &pagelist);
                 ret = migrate_pages(&pagelist, new_page, MPOL_MF_MOVE_ALL, 0);
                 if (ret) {
-                        pr_debug("soft offline: %#lx: migration failed %d, type %lx\n",
+                        pr_info("soft offline: %#lx: migration failed %d, type %lx\n",
                                 pfn, ret, page->flags);
                         if (ret > 0)
                                 ret = -EIO;
                 }
         } else {
-                pr_debug("soft offline: %#lx: isolation failed: %d, page count %d, type %lx\n",
+                pr_info("soft offline: %#lx: isolation failed: %d, page count %d, type %lx\n",
                                 pfn, ret, page_count(page), page->flags);
         }
         if (ret)