arch/arm/include/asm/limits.h - third_party/linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_PIPE_H
 #define __ASM_PIPE_H

 #ifndef PAGE_SIZE
 #include <asm/page.h>
 #endif

 #define PIPE_BUF	PAGE_SIZE

 #endif
	/* SPDX-License-Identifier: GPL-2.0 */
	#ifndef __ASM_PIPE_H
	#define __ASM_PIPE_H

	#ifndef PAGE_SIZE
	#include <asm/page.h>
	#endif

	#define PIPE_BUF PAGE_SIZE

	#endif