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mincore: cosmetic changes

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NAKAMURA Gou
2016-03-14 18:54:41 +09:00
parent 72f2e5ebe0
commit e939cf6862
1 changed files with 8 additions and 5 deletions
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13
kernel/syscall.c
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@@ -3228,7 +3228,7 @@ SYSCALL_DECLARE(mincore)
pte_t *ptep;
if (start & (PAGE_SIZE - 1)) {
kprintf("mincore(0x%lx,0x%lx,%p): EINVAL\n", start, len, vec);
dkprintf("mincore(0x%lx,0x%lx,%p): EINVAL\n", start, len, vec);
return -EINVAL;
}
@@ -3239,12 +3239,14 @@ SYSCALL_DECLARE(mincore)
range = lookup_process_memory_range(vm, addr, addr+1);
if (!range) {
ihk_mc_spinlock_unlock_noirq(&vm->memory_range_lock);
kprintf("mincore(0x%lx,0x%lx,%p):lookup failed. ENOMEM\n", start, len, vec);
dkprintf("mincore(0x%lx,0x%lx,%p):lookup failed. ENOMEM\n",
start, len, vec);
return -ENOMEM;
}
ihk_mc_spinlock_lock_noirq(&vm->page_table_lock);
ptep = ihk_mc_pt_lookup_pte(vm->address_space->page_table, (void *)addr, NULL, NULL, NULL);
ptep = ihk_mc_pt_lookup_pte(vm->address_space->page_table,
(void *)addr, NULL, NULL, NULL);
/*
* XXX: It might be necessary to consider whether this page is COW page or not.
*/
@@ -3254,13 +3256,14 @@ SYSCALL_DECLARE(mincore)
error = copy_to_user(up, &value, sizeof(value));
if (error) {
kprintf("mincore(0x%lx,0x%lx,%p):copy failed. %d\n", start, len, vec, error);
dkprintf("mincore(0x%lx,0x%lx,%p):copy failed. %d\n",
start, len, vec, error);
return error;
}
++up;
}
kprintf("mincore(0x%lx,0x%lx,%p): 0\n", start, len, vec);
dkprintf("mincore(0x%lx,0x%lx,%p): 0\n", start, len, vec);
return 0;
} /* sys_mincore() */