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PM/Hibernate: Rework shrinking of memory
authorRafael J. Wysocki <rjw@sisk.pl>
Wed, 8 Jul 2009 11:23:51 +0000 (13:23 +0200)
committerRafael J. Wysocki <rjw@sisk.pl>
Mon, 14 Sep 2009 18:26:58 +0000 (20:26 +0200)
commit4bb334353ebd821bc8eeabeb019eaac33c7307df
treefc827906f10eebaed4c0483b25beaaba70b0b1dctree | snapshot
parente681c9dd62fe8fcc5bba28a3ca3f7dc8be940206commit | diff
PM/Hibernate: Rework shrinking of memory

Rework swsusp_shrink_memory() so that it calls shrink_all_memory()
just once to make some room for the image and then allocates memory
to apply more pressure to the memory management subsystem, if
necessary.

Unfortunately, we don't seem to be able to drop shrink_all_memory()
entirely just yet, because that would lead to huge performance
regressions in some test cases.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
kernel/power/snapshot.c diff | blob | history
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