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Signed-off-by: Bjorn Bringert <bringert@android.com>
Change-Id: I509d18b21832e229737ea7ebaa231fb107eb61d7
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Change-Id: Ie527d18f3352ede06d565826c8d35ded1638203a
Signed-off-by: Colin Cross <ccross@google.com>
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Change-Id: I1412cc9560de8c4feb1162fc30922f0e3362a476
Signed-off-by: Arve Hjønnevåg <arve@android.com>
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Bug: 2595601
Change-Id: I47c0016f594f9354fb8658ccb26e3d395bcb137b
Signed-off-by: Bjorn Bringert <bringert@android.com>
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Forward port of ashmem to 2.6.27.
Signed-off-by: Robert Love <rlove@google.com>
ashmem: Don't install fault handler for private mmaps.
Ashmem is used to create named private heaps. If this heap is backed
by a tmpfs file it will allocate two pages for every page touched.
In 2.6.27, the extra page would later be freed, but 2.6.29 does not
scan anonymous pages when running without swap so the memory is not
freed while the file is referenced. This change changes the behavior
of private ashmem mmaps to match /dev/zero instead tmpfs.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
ashmem: Add common prefix to name reported in /proc/pid/maps
Signed-off-by: Arve Hjønnevåg <arve@android.com>
ashmem: don't require a page aligned size
This makes ashmem more similar to shmem and mmap, by
not requiring the specified size to be page aligned,
instead rounding it internally as needed.
Signed-off-by: Marco Nelissen <marcone@android.com>
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