On Sat, Dec 13, 2008 at 11:58:15AM +0200, Lukas Hejtmanek wrote:On Sat, Dec 13, 2008 at 09:21:15AM +0800, Wu Fengguang wrote:I cannot reproduce it on 2.6.28-rc7, compiling 2.6.28-rc8...attached.
# free; echo 3 > /proc/sys/vm/drop_caches; free
total used free shared buffers cached
Mem: 1940 109 1831 0 0 42
-/+ buffers/cache: 66 1873
Swap: 0 0 0
total used free shared buffers cached
Mem: 1940 62 1877 0 0 7
-/+ buffers/cache: 55 1884
Swap: 0 0 0
once the whole memory is eaten by the cache, the system is pretty unusable.What's your kconfig?
OK I'll try it. I cannot produce the bug in my -rc8 configuration yet:
# free; echo 3 > /proc/sys/vm/drop_caches; free
total used free shared buffers cached
Mem: 1940 906 1033 0 0 761
-/+ buffers/cache: 144 1795
Swap: 0 0 0
total used free shared buffers cached
Mem: 1940 147 1793 0 0 19
-/+ buffers/cache: 127 1813
Swap: 0 0 0