ksm_sysfs
static unsigned long ksm_sysfs[5];
ksm_sysfs[0] = read_sysfs(PATH_KSM "merge_across_nodes");
ksm_sysfs[1] = read_sysfs(PATH_KSM "sleep_millisecs");
ksm_sysfs[2] = read_sysfs(PATH_KSM "run");
ksm_sysfs[3] = read_sysfs(PATH_KSM "max_page_sharing");
write_sysfs(PATH_KSM "max_page_sharing", ksm_sysfs[3] + TEST_UNIT);
ksm_sysfs[4] = read_sysfs(PATH_KSM "pages_to_scan");
write_sysfs(PATH_KSM "pages_to_scan", ksm_sysfs[4] + TEST_UNIT);
write_sysfs(PATH_KSM "merge_across_nodes", ksm_sysfs[0]);
write_sysfs(PATH_KSM "sleep_millisecs", ksm_sysfs[1]);
write_sysfs(PATH_KSM "run", ksm_sysfs[2]);
write_sysfs(PATH_KSM "max_page_sharing", ksm_sysfs[3]);
write_sysfs(PATH_KSM "pages_to_scan", ksm_sysfs[4]);
static int ksm_save_def(struct ksm_sysfs *ksm_sysfs)
if (ksm_read_sysfs(KSM_FP("max_page_sharing"), &ksm_sysfs->max_page_sharing) ||
ksm_read_sysfs(KSM_FP("merge_across_nodes"), &ksm_sysfs->merge_across_nodes) ||
ksm_read_sysfs(KSM_FP("sleep_millisecs"), &ksm_sysfs->sleep_millisecs) ||
ksm_read_sysfs(KSM_FP("pages_to_scan"), &ksm_sysfs->pages_to_scan) ||
ksm_read_sysfs(KSM_FP("run"), &ksm_sysfs->run) ||
&ksm_sysfs->stable_node_chains_prune_millisecs) ||
ksm_read_sysfs(KSM_FP("use_zero_pages"), &ksm_sysfs->use_zero_pages))
static int ksm_restore(struct ksm_sysfs *ksm_sysfs)
if (ksm_write_sysfs(KSM_FP("max_page_sharing"), ksm_sysfs->max_page_sharing) ||
ksm_write_sysfs(KSM_FP("merge_across_nodes"), ksm_sysfs->merge_across_nodes) ||
ksm_write_sysfs(KSM_FP("pages_to_scan"), ksm_sysfs->pages_to_scan) ||
ksm_write_sysfs(KSM_FP("run"), ksm_sysfs->run) ||
ksm_write_sysfs(KSM_FP("sleep_millisecs"), ksm_sysfs->sleep_millisecs) ||
ksm_sysfs->stable_node_chains_prune_millisecs) ||
ksm_write_sysfs(KSM_FP("use_zero_pages"), ksm_sysfs->use_zero_pages))
struct ksm_sysfs ksm_sysfs_old;