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prctl: Add support for PR_SET_THP_DISABLE and PR_GET_THP_DISABLE

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Change-Id: I04c5568a9eb78bcac632b734f34bba49cf602c4d
Refs: #1181
This commit is contained in:
Ken Sato
2018-12-12 15:41:32 +09:00
committed by Masamichi Takagi
parent eb184419ea
commit dfd23c3ebe
24 changed files with 773 additions and 1 deletions
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5
kernel/include/syscall.h
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@ -86,6 +86,10 @@
#define SCD_MSG_FUTEX_WAKE 0x60
/* For prctl() */
#define PR_SET_THP_DISABLE 41
#define PR_GET_THP_DISABLE 42
/* Cloning flags. */
# define CSIGNAL 0x000000ff /* Signal mask to be sent at exit. */
# define CLONE_VM 0x00000100 /* Set if VM shared between processes. */
@ -201,6 +205,7 @@ struct program_load_desc {
unsigned long heap_extension;
long stack_premap;
unsigned long mpol_bind_mask;
int thp_disable;
int uti_thread_rank; /* N-th clone() spawns a thread on Linux CPU */
int uti_use_last_cpu; /* Work-around not to share CPU with OpenMP thread */
int nr_processes;