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| author | Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | 2019-07-11 20:59:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-12 11:05:46 -0700 |
| commit | 8a713e7df3352b8d9392476e9cf29e4e185dac32 (patch) | |
| tree | 9e9a73a224bf958b06ae277e285f35f68f9a3c08 /MAINTAINERS | |
| parent | cbf800d9c7fb38d953ba8ae1bd27a6382114c32e (diff) | |
| download | linux-8a713e7df3352b8d9392476e9cf29e4e185dac32.tar.bz2 | |
proc: use down_read_killable mmap_sem for /proc/pid/maps
Do not remain stuck forever if something goes wrong. Using a killable
lock permits cleanup of stuck tasks and simplifies investigation.
This function is also used for /proc/pid/smaps.
Link: http://lkml.kernel.org/r/156007493160.3335.14447544314127417266.stgit@buzz
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Reviewed-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Cyrill Gorcunov <gorcunov@gmail.com>
Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michal Koutný <mkoutny@suse.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'MAINTAINERS')
0 files changed, 0 insertions, 0 deletions