Commit 585650dc authored Oct 16, 2012 by Arve Hjønnevåg Committed by Greg Kroah-Hartman Oct 22, 2012

Staging: android: binder: Allow using highmem for binder buffers



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 <arve@android.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 675d66b0

drivers/staging/android/binder.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -567,7 +567,7 @@ 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);