mm_for_maps: shift down_read(mmap_sem) to the caller

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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>

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Oleg Nesterov 2009-07-10 03:27:38 +02:00 • committed by James Morris

parent 47d439e9fb

commit d3c8660233

3 changed files with 5 additions and 5 deletions

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8

fs/proc/base.c

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1

fs/proc/task_mmu.c

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1

fs/proc/task_nommu.c

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