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implement mmap(MAP_LOCKED)

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NAKAMURA Gou
2014-01-27 10:20:12 +09:00
parent f0a52d4519
commit 93c5385f65
2 changed files with 4 additions and 2 deletions
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5
kernel/syscall.c
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@@ -404,6 +404,7 @@ SYSCALL_DECLARE(mmap)
| MAP_PRIVATE // 02
| MAP_FIXED // 10
| MAP_ANONYMOUS // 20
| MAP_LOCKED // 2000
| MAP_POPULATE // 8000
;
const int ignored_flags = 0
@@ -420,7 +421,6 @@ SYSCALL_DECLARE(mmap)
#endif /* ndef USE_NOCACHE_MMAP */
| MAP_GROWSDOWN // 0100
| MAP_EXECUTABLE // 1000
| MAP_LOCKED // 2000
| MAP_NONBLOCK // 00010000
| MAP_HUGETLB // 00040000
;
@@ -524,6 +524,7 @@ SYSCALL_DECLARE(mmap)
vrflags = VR_NONE;
vrflags |= PROT_TO_VR_FLAG(prot);
vrflags |= (flags & MAP_PRIVATE)? VR_PRIVATE: 0;
vrflags |= (flags & MAP_LOCKED)? VR_LOCKED: 0;
if (flags & MAP_ANONYMOUS) {
if (0) {
/* dummy */
@@ -612,7 +613,7 @@ out:
}
ihk_mc_spinlock_unlock_noirq(&proc->vm->memory_range_lock);
if (!error && (flags & MAP_POPULATE)) {
if (!error && (flags & (MAP_POPULATE | MAP_LOCKED))) {
error = populate_process_memory(proc, (void *)addr, len);
if (error) {
ekprintf("sys_mmap:populate_process_memory"