<div dir="ltr">Reviewed-by: Jason Ekstrand <<a href="mailto:jason@jlekstrand.net">jason@jlekstrand.net</a>> </div><div class="gmail_extra"> <div class="gmail_quote">On Thu, Mar 30, 2017 at 3:56 AM, Tapani Pälli <<a href="mailto:tapani.palli@intel.com" target="_blank">tapani.palli@intel.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">This allows us to run 32bit Vulkan apps on Android, ftruncate call would fail on 2GB (max size being 2GB - 1). Signed-off-by: Tapani Pälli <<a href="mailto:tapani.palli@intel.com">tapani.palli@intel.com</a>> --- history: we had some discussion about this some weeks back and Jason proposed to simply set the size to 1GB: <a href="https://lists.freedesktop.org/archives/mesa-dev/2017-March/147396.html" rel="noreferrer" target="_blank">https://lists.freedesktop.org/archives/mesa-dev/2017-March/147396.html</a> src/intel/vulkan/anv_private.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h index 27c887c..85029da 100644 --- a/src/intel/vulkan/anv_private.h +++ b/src/intel/vulkan/anv_private.h @@ -377,8 +377,8 @@ struct anv_block_pool { struct anv_block_state back_state; }; -/* Block pools are backed by a fixed-size 2GB memfd */ -#define BLOCK_POOL_MEMFD_SIZE (1ul << 31) +/* Block pools are backed by a fixed-size 1GB memfd */ +#define BLOCK_POOL_MEMFD_SIZE (1ul << 30) /* The center of the block pool is also the middle of the memfd. This may * change in the future if we decide differently for some reason. -- 2.9.3 </blockquote></div> </div>