The patch titled
Subject: mm-page_alloc-fix-a-crash-in-free_pages_prepare-fix
has been removed from the -mm tree. Its filename was
mm-page_alloc-fix-a-crash-in-free_pages_prepare-fix.patch
This patch was dropped because it was folded into mm-page_alloc-fix-a-crash-in-free_pages_prepare.patch
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-page_alloc-fix-a-crash-in-free_pages_prepare-fix
add comment
Cc: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Qian Cai <cai@xxxxxx>
Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/mm/page_alloc.c~mm-page_alloc-fix-a-crash-in-free_pages_prepare-fix
+++ a/mm/page_alloc.c
@@ -1179,7 +1179,13 @@ static __always_inline bool free_pages_p
kernel_init_free_pages(page, 1 << order);
kernel_poison_pages(page, 1 << order, 0);
+ /*
+ * arch_free_page() can make the page's contents inaccessible. s390
+ * does this. So nothing which can access the page's contents should
+ * happen after this.
+ */
arch_free_page(page, order);
+
if (debug_pagealloc_enabled())
kernel_map_pages(page, 1 << order, 0);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-page_alloc-fix-a-crash-in-free_pages_prepare.patch
mm-vmpressure-fix-a-signedness-bug-in-vmpressure_register_event-fix.patch
mm-vmpressure-fix-a-signedness-bug-in-vmpressure_register_event-fix-fix.patch
mm-slb-guarantee-natural-alignment-for-kmallocpower-of-two-fix.patch
ocfs2-protect-extent-tree-in-the-ocfs2_prepare_inode_for_write-checkpatch-fixes.patch
mm.patch
mm-pgmap-use-correct-alignment-when-looking-at-first-pfn-from-a-region-checkpatch-fixes.patch
mm-rmapc-reuse-mergeable-anon_vma-as-parent-when-fork-fix.patch
mm-oom-avoid-printk-iteration-under-rcu-fix.patch
hugetlb-remove-duplicated-code-checkpatch-fixes.patch
hugetlb-remove-unused-hstate-in-hugetlb_fault_mutex_hash-fix.patch
printf-add-support-for-printing-symbolic-error-codes-fix.patch
linux-next-rejects.patch
linux-next-git-rejects.patch
diff-sucks.patch
drivers-tty-serial-sh-scic-suppress-warning.patch
kernel-forkc-export-kernel_thread-to-modules.patch
