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authorSasha Levin <sasha.levin@oracle.com>2014-10-09 15:28:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-09 22:25:58 -0400
commit96dad67ff244e797c4bc3e4f7f0fdaa0cfdf0a7d (patch)
treeea45352bf168845bf42d0d656b5d8bdacc55d8e8 /kernel
parent31c9afa6db122a5c7a7843278aaf77dd08ea6e98 (diff)
mm: use VM_BUG_ON_MM where possible
Dump the contents of the relevant struct_mm when we hit the bug condition. Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/fork.c3
-rw-r--r--kernel/sys.c2
2 files changed, 2 insertions, 3 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index a91e47d86de2..8c162d102740 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -601,9 +601,8 @@ static void check_mm(struct mm_struct *mm)
printk(KERN_ALERT "BUG: Bad rss-counter state "
"mm:%p idx:%d val:%ld\n", mm, i, x);
}
-
#if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS
- VM_BUG_ON(mm->pmd_huge_pte);
+ VM_BUG_ON_MM(mm->pmd_huge_pte, mm);
#endif
}
diff --git a/kernel/sys.c b/kernel/sys.c
index f7030b060018..df692fbf1e79 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1634,7 +1634,7 @@ static int prctl_set_mm_exe_file_locked(struct mm_struct *mm, unsigned int fd)
struct inode *inode;
int err;
- VM_BUG_ON(!rwsem_is_locked(&mm->mmap_sem));
+ VM_BUG_ON_MM(!rwsem_is_locked(&mm->mmap_sem), mm);
exe = fdget(fd);
if (!exe.file)