4.14-stable review patch. If anyone has any objections, please let me know.
------------------ From: Qing Xia <saberlily....@hisilicon.com> commit 9bcf065e28122588a6cbee08cf847826dacbb438 upstream. In the first loop, gfp_flags will be modified to high_order_gfp_flags, and there will be no chance to change back to low_order_gfp_flags. Fixes: e7f63771b60e ("ION: Sys_heap: Add cached pool to spead up cached buffer alloc") Signed-off-by: Qing Xia <saberlily....@hisilicon.com> Cc: stable <sta...@vger.kernel.org> Signed-off-by: Jing Xia <jing....@unisoc.com> Reviewed-by: Yuming Han <yuming....@unisoc.com> Reviewed-by: Zhaoyang Huang <zhaoyang.hu...@unisoc.com> Reviewed-by: Orson Zhai <orson.z...@unisoc.com> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/staging/android/ion/ion_system_heap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/staging/android/ion/ion_system_heap.c +++ b/drivers/staging/android/ion/ion_system_heap.c @@ -298,10 +298,10 @@ static int ion_system_heap_create_pools( bool cached) { int i; - gfp_t gfp_flags = low_order_gfp_flags; for (i = 0; i < NUM_ORDERS; i++) { struct ion_page_pool *pool; + gfp_t gfp_flags = low_order_gfp_flags; if (orders[i] > 4) gfp_flags = high_order_gfp_flags;