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authorThomas Gleixner <tglx@linutronix.de>2011-02-23 09:21:41 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-02-23 09:21:41 +0100
commit7acdbb3f35f4d08c0c4f7cfa306bc7006b6ba902 (patch)
treec76aeb5996fa8f39b838e9cc41f40f854db01912 /arch/s390/mm/pgtable.c
parent695884fb8acd9857e0e7120ccb2150e30f4b8fef (diff)
parentf5412be599602124d2bdd49947b231dd77c0bf99 (diff)
Merge branch 'linus' into x86/platform
Reason: Import mainline device tree changes on which further patches depend on or conflict. Trivial conflict in: drivers/spi/pxa2xx_spi_pci.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/s390/mm/pgtable.c')
-rw-r--r--arch/s390/mm/pgtable.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 0c719c61972e..e1850c28cd68 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -336,7 +336,8 @@ void page_table_free(struct mm_struct *mm, unsigned long *table)
page->flags ^= bits;
if (page->flags & FRAG_MASK) {
/* Page now has some free pgtable fragments. */
- list_move(&page->lru, &mm->context.pgtable_list);
+ if (!list_empty(&page->lru))
+ list_move(&page->lru, &mm->context.pgtable_list);
page = NULL;
} else
/* All fragments of the 4K page have been freed. */