Commit fb04563d authored by Peter Zijlstra's avatar Peter Zijlstra
Browse files

sched: Show PF_flag holes 



Put placeholders in PF_flag so we can see how holey it is.

Suggested-by: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarIngo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/YxctoffFFPXONESt@hirez.programming.kicks-ass.net
parent f5d39b02

include/linux/sched.h

+7 −0
Original line number Diff line number Diff line
@@ -1722,7 +1722,9 @@ extern struct pid *cad_pid; 
#define PF_MEMALLOC		0x00000800	/* Allocating memory */

#define PF_NPROC_EXCEEDED	0x00001000	/* set_user() noticed that RLIMIT_NPROC was exceeded */

#define PF_USED_MATH		0x00002000	/* If unset the fpu must be initialized before use */

#define PF__HOLE__00004000	0x00004000

#define PF_NOFREEZE		0x00008000	/* This thread should not be frozen */

#define PF__HOLE__00010000	0x00010000

#define PF_KSWAPD		0x00020000	/* I am kswapd */

#define PF_MEMALLOC_NOFS	0x00040000	/* All allocation requests will inherit GFP_NOFS */

#define PF_MEMALLOC_NOIO	0x00080000	/* All allocation requests will inherit GFP_NOIO */
@@ -1730,9 +1732,14 @@ extern struct pid *cad_pid; 
						 * I am cleaning dirty pages from some other bdi. */

#define PF_KTHREAD		0x00200000	/* I am a kernel thread */

#define PF_RANDOMIZE		0x00400000	/* Randomize virtual address space */

#define PF__HOLE__00800000	0x00800000

#define PF__HOLE__01000000	0x01000000

#define PF__HOLE__02000000	0x02000000

#define PF_NO_SETAFFINITY	0x04000000	/* Userland is not allowed to meddle with cpus_mask */

#define PF_MCE_EARLY		0x08000000      /* Early kill for mce process policy */

#define PF_MEMALLOC_PIN		0x10000000	/* Allocation context constrained to zones which allow long term pinning. */

#define PF__HOLE__20000000	0x20000000

#define PF__HOLE__40000000	0x40000000

#define PF_SUSPEND_TASK		0x80000000      /* This thread called freeze_processes() and should not be frozen */



/*