X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=mm%2Fmemory-failure.c;h=3db261fdee4c56a0f582e658389c8f23a8a65ea4;hb=93a9eb39fad1b5fc9077776caa3af207883b254d;hp=c6399e32893178b835457388371e8e4f85512361;hpb=59ca9ee42838d0f597137cf811e47eaf42fdcb69;p=karo-tx-linux.git

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index c6399e328931..3db261fdee4c 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -435,7 +435,7 @@ static void collect_procs_anon(struct page *page, struct list_head *to_kill,
 	if (av == NULL)	/* Not actually mapped anymore */
 		return;
 
-	pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);
+	pgoff = page_to_pgoff(page);
 	read_lock(&tasklist_lock);
 	for_each_process (tsk) {
 		struct anon_vma_chain *vmac;
@@ -469,7 +469,7 @@ static void collect_procs_file(struct page *page, struct list_head *to_kill,
 	mutex_lock(&mapping->i_mmap_mutex);
 	read_lock(&tasklist_lock);
 	for_each_process(tsk) {
-		pgoff_t pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);
+		pgoff_t pgoff = page_to_pgoff(page);
 		struct task_struct *t = task_early_kill(tsk, force_early);
 
 		if (!t)
@@ -895,7 +895,13 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn,
 	struct page *hpage = *hpagep;
 	struct page *ppage;
 
-	if (PageReserved(p) || PageSlab(p) || !PageLRU(p))
+	/*
+	 * Here we are interested only in user-mapped pages, so skip any
+	 * other types of pages.
+	 */
+	if (PageReserved(p) || PageSlab(p))
+		return SWAP_SUCCESS;
+	if (!(PageLRU(hpage) || PageHuge(p)))
 		return SWAP_SUCCESS;
 
 	/*