The following commit has been merged into the sched/core branch of tip: Commit-ID: fb04563d1cae6f361892b4a339ad92100b1eb0d0 Gitweb: https://git.kernel.org/tip/fb04563d1cae6f361892b4a339ad92100b1eb0d0 Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> AuthorDate: Tue, 06 Sep 2022 13:27:32 +02:00 Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx> CommitterDate: Wed, 07 Sep 2022 21:53:51 +02:00 sched: Show PF_flag holes Put placeholders in PF_flag so we can see how holey it is. Suggested-by: Ingo Molnar <mingo@xxxxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Ingo Molnar <mingo@xxxxxxxxxx> Link: https://lkml.kernel.org/r/YxctoffFFPXONESt@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx --- include/linux/sched.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/sched.h b/include/linux/sched.h index 4c91efd..15e3bd9 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -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 */ /*
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