The default kernel mapping for the pages allocated for the binder buffers is never used. Set the __GFP_HIGHMEM flag when allocating these pages so we don't needlessly use low memory pages that may be required elsewhere.
Signed-off-by: Arve Hjønnevåg <[email protected]> --- drivers/staging/android/binder.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 91ce956..9fbc06e 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -583,7 +583,7 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate, page = &proc->pages[(page_addr - proc->buffer) / PAGE_SIZE]; BUG_ON(*page); - *page = alloc_page(GFP_KERNEL | __GFP_ZERO); + *page = alloc_page(GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO); if (*page == NULL) { pr_err("binder: %d: binder_alloc_buf failed " "for page at %p\n", proc->pid, page_addr); -- 1.7.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
