Oleg Nesterov 00f89d2185 mm_for_maps: shift down_read(mmap_sem) to the caller ...

mm_for_maps() takes ->mmap_sem after security checks, this looks
strange and obfuscates the locking rules. Move this lock to its
single caller, m_start().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>

2009-08-10 20:48:32 +10:00

5.5 KiB

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