Subject: + mm-dump-page-when-hitting-a-vm_bug_on-using-vm_bug_on_page-fix.patch added to -mm tree
To: sasha.levin@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 27 Dec 2013 14:43:39 -0800
The patch titled
Subject: mm: dump page when hitting a VM_BUG_ON using VM_BUG_ON_PAGE fix
has been added to the -mm tree. Its filename is
mm-dump-page-when-hitting-a-vm_bug_on-using-vm_bug_on_page-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-dump-page-when-hitting-a-vm_bug_on-using-vm_bug_on_page-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-dump-page-when-hitting-a-vm_bug_on-using-vm_bug_on_page-fix.patch
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------------------------------------------------------
From: Sasha Levin <sasha.levin@xxxxxxxxxx>
Subject: mm: dump page when hitting a VM_BUG_ON using VM_BUG_ON_PAGE fix
I messed up and forgot to commit this fix before sending out the original
patch.
It fixes build issues in various files using VM_BUG_ON_PAGE.
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mmdebug.h | 1 +
1 file changed, 1 insertion(+)
diff -puN include/linux/mmdebug.h~mm-dump-page-when-hitting-a-vm_bug_on-using-vm_bug_on_page-fix include/linux/mmdebug.h
--- a/include/linux/mmdebug.h~mm-dump-page-when-hitting-a-vm_bug_on-using-vm_bug_on_page-fix
+++ a/include/linux/mmdebug.h
@@ -2,6 +2,7 @@
#define LINUX_MM_DEBUG_H 1
#ifdef CONFIG_DEBUG_VM
+extern void dump_page(struct page *page);
#define VM_BUG_ON(cond) BUG_ON(cond)
#define VM_BUG_ON_PAGE(cond, page) \
do { if (unlikely(cond)) { dump_page(page); BUG(); } } while(0)
_
Patches currently in -mm which might be from sasha.levin@xxxxxxxxxx are
mm-munlock-fix-a-bug-where-thp-tail-page-is-encountered.patch
mm-munlock-fix-a-bug-where-thp-tail-page-is-encountered-v2.patch
mm-munlock-fix-deadlock-in-__munlock_pagevec.patch
mm-munlock-fix-deadlock-in-__munlock_pagevec-fix.patch
mm-remove-bogus-warning-in-copy_huge_pmd.patch
watchdog-trigger-all-cpu-backtrace-when-locked-up-and-going-to-panic.patch
mm-rmap-use-rmap_walk-in-page_referenced-fix.patch
mm-munlock-fix-potential-race-with-thp-page-split.patch
mm-remove-bug_on-from-mlock_vma_page.patch
mm-dump-page-when-hitting-a-vm_bug_on-using-vm_bug_on_page.patch
mm-dump-page-when-hitting-a-vm_bug_on-using-vm_bug_on_page-fix.patch
linux-next.patch
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