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mcexec: --mpol-threshold to control MPOL_BIND/MPOL_PREFERRED

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This commit is contained in:
Balazs Gerofi
2017-02-08 21:49:25 +09:00
parent b4aecfd43c
commit 26b9484bae
8 changed files with 23 additions and 7 deletions
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3
kernel/process.c
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@@ -93,6 +93,7 @@ init_process(struct process *proc, struct process *parent)
proc->sgid = parent->sgid;
proc->fsgid = parent->fsgid;
proc->mpol_flags = parent->mpol_flags;
proc->mpol_threshold = parent->mpol_threshold;
memcpy(proc->rlimit, parent->rlimit,
sizeof(struct rlimit) * MCK_RLIM_MAX);
}
@@ -1928,7 +1929,7 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
/* Apply user allocation policy to stacks */
/* TODO: make threshold kernel or mcexec argument */
ap_flag = (size >= AP_USER_THRESHOLD &&
ap_flag = (size >= proc->mpol_threshold &&
!(proc->mpol_flags & MPOL_NO_STACK)) ? IHK_MC_AP_USER : 0;
dkprintf("%s: size: %lu %s\n", __FUNCTION__, size,
ap_flag ? "(IHK_MC_AP_USER)" : "");