PROC_BLOCK_SIZE   691 fs/proc/base.c #define PROC_BLOCK_SIZE	(3*1024)		/* 4K page size but our output routines use some slack for overruns */
PROC_BLOCK_SIZE    38 fs/proc/generic.c #define PROC_BLOCK_SIZE	(PAGE_SIZE - 1024)
PROC_BLOCK_SIZE   142 sound/oss/soundcard.c #define PROC_BLOCK_SIZE (3*1024)