From: Tang Yizhou <tangyizhou@huawei.com> ascend inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4EUVI CVE: NA ------------------------------------------------- Only root can enable pr_debug printing. Signed-off-by: Tang Yizhou <tangyizhou@huawei.com> Reviewed-by: Weilong Chen <chenweilong@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- mm/share_pool.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/mm/share_pool.c b/mm/share_pool.c index ea2ea37111b9c..ebc2d04c01145 100644 --- a/mm/share_pool.c +++ b/mm/share_pool.c @@ -1601,7 +1601,7 @@ static int is_vmap_hugepage(unsigned long addr) area = find_vm_area((void *)addr); if (unlikely(!area)) { - pr_err_ratelimited("share pool: failed to find vm area(%lx)\n", addr); + pr_debug("share pool: failed to find vm area(%lx)\n", addr); return -EINVAL; } @@ -1659,7 +1659,7 @@ static unsigned long sp_remap_kva_to_vma(unsigned long kva, struct sp_area *spa, ret_addr = sp_mmap(mm, file, spa, &populate); if (IS_ERR_VALUE(ret_addr)) { - pr_err("share pool: k2u mmap failed %lx\n", ret_addr); + pr_debug("share pool: k2u mmap failed %lx\n", ret_addr); goto put_mm; } BUG_ON(ret_addr != spa->va_start); @@ -1915,7 +1915,7 @@ void *sp_make_share_k2u(unsigned long kva, unsigned long size, if (!vmalloc_area_set_flag(spa, kva_aligned, VM_SHAREPOOL)) { up_read(&spg->rw_lock); - pr_err("share pool: %s: the kva %lx is not valid\n", __func__, (unsigned long)kva_aligned); + pr_debug("share pool: %s: the kva %lx is not valid\n", __func__, (unsigned long)kva_aligned); goto out_drop_spa; } @@ -1938,7 +1938,7 @@ void *sp_make_share_k2u(unsigned long kva, unsigned long size, } else { /* associate vma and spa */ if (!vmalloc_area_clr_flag(spa, kva_aligned, VM_SHAREPOOL)) - pr_warn("share pool: %s: the kva %lx is not valid\n", + pr_debug("share pool: %s: the kva %lx is not valid\n", __func__, (unsigned long)kva_aligned); } @@ -2032,7 +2032,7 @@ static int sp_hugetlb_entry(pte_t *ptep, unsigned long hmask, struct sp_walk_data *sp_walk_data; if (unlikely(!pte_present(pte))) { - pr_err_ratelimited("share pool: the page of addr %lx unexpectedly not in RAM\n", (unsigned long)addr); + pr_debug("share pool: the page of addr %lx unexpectedly not in RAM\n", (unsigned long)addr); return -EFAULT; } -- 2.25.1