diff options
| -rw-r--r-- | mm/huge_memory.c | 28 | ||||
| -rw-r--r-- | mm/hugetlb.c | 13 | ||||
| -rw-r--r-- | mm/khugepaged.c | 22 | ||||
| -rw-r--r-- | mm/ksm.c | 32 | ||||
| -rw-r--r-- | mm/swap_state.c | 3 |
5 files changed, 52 insertions, 46 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index c11c80078335..0931ee1aa48c 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -164,11 +164,11 @@ static ssize_t enabled_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { if (test_bit(TRANSPARENT_HUGEPAGE_FLAG, &transparent_hugepage_flags)) - return sprintf(buf, "[always] madvise never\n"); + return sysfs_emit(buf, "[always] madvise never\n"); else if (test_bit(TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG, &transparent_hugepage_flags)) - return sprintf(buf, "always [madvise] never\n"); + return sysfs_emit(buf, "always [madvise] never\n"); else - return sprintf(buf, "always madvise [never]\n"); + return sysfs_emit(buf, "always madvise [never]\n"); } static ssize_t enabled_store(struct kobject *kobj, @@ -233,14 +233,18 @@ static ssize_t defrag_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { if (test_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags)) - return sprintf(buf, "[always] defer defer+madvise madvise never\n"); + return sysfs_emit(buf, + "[always] defer defer+madvise madvise never\n"); if (test_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags)) - return sprintf(buf, "always [defer] defer+madvise madvise never\n"); + return sysfs_emit(buf, + "always [defer] defer+madvise madvise never\n"); if (test_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags)) - return sprintf(buf, "always defer [defer+madvise] madvise never\n"); + return sysfs_emit(buf, + "always defer [defer+madvise] madvise never\n"); if (test_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags)) - return sprintf(buf, "always defer defer+madvise [madvise] never\n"); - return sprintf(buf, "always defer defer+madvise madvise [never]\n"); + return sysfs_emit(buf, + "always defer defer+madvise [madvise] never\n"); + return sysfs_emit(buf, "always defer defer+madvise madvise [never]\n"); } static ssize_t defrag_store(struct kobject *kobj, @@ -281,10 +285,10 @@ static struct kobj_attribute defrag_attr = __ATTR(defrag, 0644, defrag_show, defrag_store); static ssize_t use_zero_page_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf) + struct kobj_attribute *attr, char *buf) { return single_hugepage_flag_show(kobj, attr, buf, - TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG); + TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG); } static ssize_t use_zero_page_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) @@ -296,9 +300,9 @@ static struct kobj_attribute use_zero_page_attr = __ATTR(use_zero_page, 0644, use_zero_page_show, use_zero_page_store); static ssize_t hpage_pmd_size_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf) + struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%lu\n", HPAGE_PMD_SIZE); + return sysfs_emit(buf, "%lu\n", HPAGE_PMD_SIZE); } static struct kobj_attribute hpage_pmd_size_attr = __ATTR_RO(hpage_pmd_size); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index e2f7bc8be1e8..cbf32d2824fd 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2760,7 +2760,7 @@ static ssize_t nr_hugepages_show_common(struct kobject *kobj, else nr_huge_pages = h->nr_huge_pages_node[nid]; - return sprintf(buf, "%lu\n", nr_huge_pages); + return sysfs_emit(buf, "%lu\n", nr_huge_pages); } static ssize_t __nr_hugepages_store_common(bool obey_mempolicy, @@ -2833,7 +2833,8 @@ HSTATE_ATTR(nr_hugepages); * huge page alloc/free. */ static ssize_t nr_hugepages_mempolicy_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf) + struct kobj_attribute *attr, + char *buf) { return nr_hugepages_show_common(kobj, attr, buf); } @@ -2851,7 +2852,7 @@ static ssize_t nr_overcommit_hugepages_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { struct hstate *h = kobj_to_hstate(kobj, NULL); - return sprintf(buf, "%lu\n", h->nr_overcommit_huge_pages); + return sysfs_emit(buf, "%lu\n", h->nr_overcommit_huge_pages); } static ssize_t nr_overcommit_hugepages_store(struct kobject *kobj, @@ -2889,7 +2890,7 @@ static ssize_t free_hugepages_show(struct kobject *kobj, else free_huge_pages = h->free_huge_pages_node[nid]; - return sprintf(buf, "%lu\n", free_huge_pages); + return sysfs_emit(buf, "%lu\n", free_huge_pages); } HSTATE_ATTR_RO(free_hugepages); @@ -2897,7 +2898,7 @@ static ssize_t resv_hugepages_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { struct hstate *h = kobj_to_hstate(kobj, NULL); - return sprintf(buf, "%lu\n", h->resv_huge_pages); + return sysfs_emit(buf, "%lu\n", h->resv_huge_pages); } HSTATE_ATTR_RO(resv_hugepages); @@ -2914,7 +2915,7 @@ static ssize_t surplus_hugepages_show(struct kobject *kobj, else surplus_huge_pages = h->surplus_huge_pages_node[nid]; - return sprintf(buf, "%lu\n", surplus_huge_pages); + return sysfs_emit(buf, "%lu\n", surplus_huge_pages); } HSTATE_ATTR_RO(surplus_hugepages); diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 2cc78a51c398..ec92ae7cec2c 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -126,7 +126,7 @@ static ssize_t scan_sleep_millisecs_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", khugepaged_scan_sleep_millisecs); + return sysfs_emit(buf, "%u\n", khugepaged_scan_sleep_millisecs); } static ssize_t scan_sleep_millisecs_store(struct kobject *kobj, @@ -154,7 +154,7 @@ static ssize_t alloc_sleep_millisecs_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", khugepaged_alloc_sleep_millisecs); + return sysfs_emit(buf, "%u\n", khugepaged_alloc_sleep_millisecs); } static ssize_t alloc_sleep_millisecs_store(struct kobject *kobj, @@ -182,7 +182,7 @@ static ssize_t pages_to_scan_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", khugepaged_pages_to_scan); + return sysfs_emit(buf, "%u\n", khugepaged_pages_to_scan); } static ssize_t pages_to_scan_store(struct kobject *kobj, struct kobj_attribute *attr, @@ -207,7 +207,7 @@ static ssize_t pages_collapsed_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", khugepaged_pages_collapsed); + return sysfs_emit(buf, "%u\n", khugepaged_pages_collapsed); } static struct kobj_attribute pages_collapsed_attr = __ATTR_RO(pages_collapsed); @@ -216,7 +216,7 @@ static ssize_t full_scans_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", khugepaged_full_scans); + return sysfs_emit(buf, "%u\n", khugepaged_full_scans); } static struct kobj_attribute full_scans_attr = __ATTR_RO(full_scans); @@ -225,7 +225,7 @@ static ssize_t khugepaged_defrag_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { return single_hugepage_flag_show(kobj, attr, buf, - TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG); + TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG); } static ssize_t khugepaged_defrag_store(struct kobject *kobj, struct kobj_attribute *attr, @@ -250,7 +250,7 @@ static ssize_t khugepaged_max_ptes_none_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", khugepaged_max_ptes_none); + return sysfs_emit(buf, "%u\n", khugepaged_max_ptes_none); } static ssize_t khugepaged_max_ptes_none_store(struct kobject *kobj, struct kobj_attribute *attr, @@ -275,7 +275,7 @@ static ssize_t khugepaged_max_ptes_swap_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", khugepaged_max_ptes_swap); + return sysfs_emit(buf, "%u\n", khugepaged_max_ptes_swap); } static ssize_t khugepaged_max_ptes_swap_store(struct kobject *kobj, @@ -299,10 +299,10 @@ static struct kobj_attribute khugepaged_max_ptes_swap_attr = khugepaged_max_ptes_swap_store); static ssize_t khugepaged_max_ptes_shared_show(struct kobject *kobj, - struct kobj_attribute *attr, - char *buf) + struct kobj_attribute *attr, + char *buf) { - return sprintf(buf, "%u\n", khugepaged_max_ptes_shared); + return sysfs_emit(buf, "%u\n", khugepaged_max_ptes_shared); } static ssize_t khugepaged_max_ptes_shared_store(struct kobject *kobj, @@ -2833,7 +2833,7 @@ static void wait_while_offlining(void) static ssize_t sleep_millisecs_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", ksm_thread_sleep_millisecs); + return sysfs_emit(buf, "%u\n", ksm_thread_sleep_millisecs); } static ssize_t sleep_millisecs_store(struct kobject *kobj, @@ -2857,7 +2857,7 @@ KSM_ATTR(sleep_millisecs); static ssize_t pages_to_scan_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", ksm_thread_pages_to_scan); + return sysfs_emit(buf, "%u\n", ksm_thread_pages_to_scan); } static ssize_t pages_to_scan_store(struct kobject *kobj, @@ -2880,7 +2880,7 @@ KSM_ATTR(pages_to_scan); static ssize_t run_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%lu\n", ksm_run); + return sysfs_emit(buf, "%lu\n", ksm_run); } static ssize_t run_store(struct kobject *kobj, struct kobj_attribute *attr, @@ -2927,9 +2927,9 @@ KSM_ATTR(run); #ifdef CONFIG_NUMA static ssize_t merge_across_nodes_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf) + struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", ksm_merge_across_nodes); + return sysfs_emit(buf, "%u\n", ksm_merge_across_nodes); } static ssize_t merge_across_nodes_store(struct kobject *kobj, @@ -2984,9 +2984,9 @@ KSM_ATTR(merge_across_nodes); #endif static ssize_t use_zero_pages_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf) + struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", ksm_use_zero_pages); + return sysfs_emit(buf, "%u\n", ksm_use_zero_pages); } static ssize_t use_zero_pages_store(struct kobject *kobj, struct kobj_attribute *attr, @@ -3008,7 +3008,7 @@ KSM_ATTR(use_zero_pages); static ssize_t max_page_sharing_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", ksm_max_page_sharing); + return sysfs_emit(buf, "%u\n", ksm_max_page_sharing); } static ssize_t max_page_sharing_store(struct kobject *kobj, @@ -3049,21 +3049,21 @@ KSM_ATTR(max_page_sharing); static ssize_t pages_shared_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%lu\n", ksm_pages_shared); + return sysfs_emit(buf, "%lu\n", ksm_pages_shared); } KSM_ATTR_RO(pages_shared); static ssize_t pages_sharing_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%lu\n", ksm_pages_sharing); + return sysfs_emit(buf, "%lu\n", ksm_pages_sharing); } KSM_ATTR_RO(pages_sharing); static ssize_t pages_unshared_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%lu\n", ksm_pages_unshared); + return sysfs_emit(buf, "%lu\n", ksm_pages_unshared); } KSM_ATTR_RO(pages_unshared); @@ -3080,21 +3080,21 @@ static ssize_t pages_volatile_show(struct kobject *kobj, */ if (ksm_pages_volatile < 0) ksm_pages_volatile = 0; - return sprintf(buf, "%ld\n", ksm_pages_volatile); + return sysfs_emit(buf, "%ld\n", ksm_pages_volatile); } KSM_ATTR_RO(pages_volatile); static ssize_t stable_node_dups_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%lu\n", ksm_stable_node_dups); + return sysfs_emit(buf, "%lu\n", ksm_stable_node_dups); } KSM_ATTR_RO(stable_node_dups); static ssize_t stable_node_chains_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%lu\n", ksm_stable_node_chains); + return sysfs_emit(buf, "%lu\n", ksm_stable_node_chains); } KSM_ATTR_RO(stable_node_chains); @@ -3103,7 +3103,7 @@ stable_node_chains_prune_millisecs_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", ksm_stable_node_chains_prune_millisecs); + return sysfs_emit(buf, "%u\n", ksm_stable_node_chains_prune_millisecs); } static ssize_t @@ -3127,7 +3127,7 @@ KSM_ATTR(stable_node_chains_prune_millisecs); static ssize_t full_scans_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%lu\n", ksm_scan.seqnr); + return sysfs_emit(buf, "%lu\n", ksm_scan.seqnr); } KSM_ATTR_RO(full_scans); diff --git a/mm/swap_state.c b/mm/swap_state.c index cf7b322a9abc..751c1ef2fe0e 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -902,7 +902,8 @@ struct page *swapin_readahead(swp_entry_t entry, gfp_t gfp_mask, static ssize_t vma_ra_enabled_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%s\n", enable_vma_readahead ? "true" : "false"); + return sysfs_emit(buf, "%s\n", + enable_vma_readahead ? "true" : "false"); } static ssize_t vma_ra_enabled_store(struct kobject *kobj, struct kobj_attribute *attr, |