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05 April 2024, 19:05:47 UTC
Revision 989f89c57e6361e7d16fbd9572b5da7d313b073d authored by KAMEZAWA Hiroyuki on 31 August 2007, 06:56:21 UTC, committed by Linus Torvalds on 31 August 2007, 08:42:22 UTC 
fix rcu_read_lock() in page migraton
 
In migration fallback path, write_page() or lock_page() will be called.
This causes sleep with holding rcu_read_lock().
For avoding that, just do rcu_lock if the page is Anon.(this is enough.)

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent d1254b1
History
Tip revision: 989f89c57e6361e7d16fbd9572b5da7d313b073d authored by KAMEZAWA Hiroyuki on 31 August 2007, 06:56:21 UTC
fix rcu_read_lock() in page migraton
Tip revision: 989f89c
File Mode Size
Kconfig -rw-r--r-- 1.4 KB
Makefile -rw-r--r-- 284 bytes
awacs.c -rw-r--r-- 26.0 KB
awacs.h -rw-r--r-- 7.4 KB
beep.c -rw-r--r-- 7.7 KB
burgundy.c -rw-r--r-- 14.6 KB
burgundy.h -rw-r--r-- 3.3 KB
daca.c -rw-r--r-- 7.1 KB
keywest.c -rw-r--r-- 3.3 KB
pmac.c -rw-r--r-- 34.7 KB
pmac.h -rw-r--r-- 5.2 KB
powermac.c -rw-r--r-- 5.2 KB
snd_ps3.c -rw-r--r-- 28.3 KB
snd_ps3.h -rw-r--r-- 3.5 KB
snd_ps3_reg.h -rw-r--r-- 33.2 KB
tumbler.c -rw-r--r-- 37.9 KB
tumbler_volume.h -rw-r--r-- 6.5 KB
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