https://github.com/torvalds/linux
Revision a51b56fff3f04fc5aa66b21a2a6d693ee9862d66 authored by Benjamin Marzinski on 30 June 2009, 18:51:11 UTC, committed by Steven Whitehouse on 30 July 2009, 09:59:28 UTC
It is possible for gfs2_shrink_glock_memory() to check a glock for demotion that's in the process of being freed by gfs2_glock_put(). In this case, gfs2_shrink_glock_memory() will acquire a new reference to this glock, and then try to free the glock itself when it drops the refernce. To solve this, gfs2_shrink_glock_memory() just needs to check if the glock is in the process of being freed, and if so skip it without ever unlocking the lru_lock. Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com> Acked-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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Tip revision: a51b56fff3f04fc5aa66b21a2a6d693ee9862d66 authored by Benjamin Marzinski on 30 June 2009, 18:51:11 UTC
GFS2: Fix panic in glock memory shrinker
GFS2: Fix panic in glock memory shrinker
Tip revision: a51b56f
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .gitignore | -rw-r--r-- | 952 bytes |
| .mailmap | -rw-r--r-- | 3.9 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 91.7 KB |
| Kbuild | -rw-r--r-- | 2.4 KB |
| MAINTAINERS | -rw-r--r-- | 149.3 KB |
| Makefile | -rw-r--r-- | 53.9 KB |
| README | -rw-r--r-- | 17.0 KB |
| REPORTING-BUGS | -rw-r--r-- | 3.1 KB |
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