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mcexec/mm: user memory policy control for heap, stack, etc.

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This commit is contained in:
Balazs Gerofi
2017-02-07 04:28:31 +09:00
parent afb7cb3a1e
commit 182202523e
7 changed files with 59 additions and 7 deletions
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2
kernel/include/process.h
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@@ -553,6 +553,8 @@ struct process {
long maxrss;
long maxrss_children;
/* Memory policy flags */
unsigned long mpol_flags;
// perf_event
int perf_status;

5
kernel/include/syscall.h
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@@ -160,6 +160,10 @@ struct program_image_section {
typedef unsigned long __cpu_set_unit;
#define PLD_CPU_SET_SIZE (PLD_CPU_SET_MAX_CPUS / (8 * sizeof(__cpu_set_unit)))
#define MPOL_NO_HEAP 0x01
#define MPOL_NO_STACK 0x02
#define MPOL_NO_BSS 0x04
struct program_load_desc {
int num_sections;
int status;
@@ -188,6 +192,7 @@ struct program_load_desc {
unsigned long envs_len;
struct rlimit rlimit[MCK_RLIM_MAX];
unsigned long interp_align;
unsigned long mpol_flags;
char shell_path[SHELL_PATH_MAX_LEN];
__cpu_set_unit cpu_set[PLD_CPU_SET_SIZE];
struct program_image_section sections[0];