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Merge tag 'phy-fixes-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux...
[linux-2.6-microblaze.git]
/
mm
/
mremap.c
diff --git
a/mm/mremap.c
b/mm/mremap.c
index
9d76da7
..
303d329
100644
(file)
--- a/
mm/mremap.c
+++ b/
mm/mremap.c
@@
-486,6
+486,9
@@
unsigned long move_page_tables(struct vm_area_struct *vma,
pmd_t *old_pmd, *new_pmd;
pud_t *old_pud, *new_pud;
+ if (!len)
+ return 0;
+
old_end = old_addr + len;
flush_cache_range(vma, old_addr, old_end);