On Wed, Mar 20, 2019 at 02:38:23PM +0800, Zhaoyang Huang wrote: > From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx> > > Two action for this patch: > 1. set a batch size for system heap's shrinker, which can have it buffer > reasonable page blocks in pool for future allocation. > 2. reverse the order sequence when free page blocks, the purpose is also > to have system heap keep as more big blocks as it can. > > By testing on an android system with 2G RAM, the changes with setting > batch = 48MB can help reduce the fragmentation obviously and improve > big block allocation speed for 15%. > > Signed-off-by: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx> > --- > drivers/staging/android/ion/ion_heap.c | 16 +++++++++++++++- > drivers/staging/android/ion/ion_system_heap.c | 2 +- > 2 files changed, 16 insertions(+), 2 deletions(-) What changed from v1? Always put that below the --- line as the documentation asks you to. thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
