gpu: ion: Also shrink memory cached in the deferred free list

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When the system is low on memory, we want to shrink any cached
system memory ion is holding.  Previously we were shrinking memory
in the page pools, but not in the deferred free list.  This patch
makes it possible to shrink both.  It also moves the shrinker
code into the heaps so they can correctly manage any caches they
might contain.

Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Rebecca Schultz Zavin 2013-12-13 14:24:39 -08:00 • committed by Greg Kroah-Hartman

parent da4aab3783

commit ea313b5f88

5 changed files with 278 additions and 176 deletions

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117

drivers/staging/android/ion/ion.c

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107

drivers/staging/android/ion/ion_heap.c

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122

drivers/staging/android/ion/ion_page_pool.c

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57

drivers/staging/android/ion/ion_priv.h

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49

drivers/staging/android/ion/ion_system_heap.c

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