Hridya Valsaraju 32fe36e04d ANDROID: dma-buf: heaps: Add a sysfs file to report total pool size. ...

In order to help with memory accounting, expose the total pool size of
all DMA-BUF heaps at /sys/kernel/dma_heap/total_pools_kb.

This information will be exposed as part of Android Bugreport[1].

[1]: https://android-review.googlesource.com/q/topic:%22b%252F167709539%22+(status:open%20OR%20status:merged)

Bug: 167709539
Change-Id: I6a1b52517e73103122690f6567f4f295db9ca1ad
Signed-off-by: Hridya Valsaraju <hridya@google.com>

2022-01-06 10:12:49 -08:00

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