diff options
Diffstat (limited to 'fs/proc/task_mmu.c')
| -rw-r--r-- | fs/proc/task_mmu.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 4648c7f63ae2..187d84ef9de9 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -448,6 +448,7 @@ struct mem_size_stats { unsigned long referenced; unsigned long anonymous; unsigned long anonymous_thp; + unsigned long shmem_thp; unsigned long swap; unsigned long shared_hugetlb; unsigned long private_hugetlb; @@ -576,7 +577,12 @@ static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr, page = follow_trans_huge_pmd(vma, addr, pmd, FOLL_DUMP); if (IS_ERR_OR_NULL(page)) return; - mss->anonymous_thp += HPAGE_PMD_SIZE; + if (PageAnon(page)) + mss->anonymous_thp += HPAGE_PMD_SIZE; + else if (PageSwapBacked(page)) + mss->shmem_thp += HPAGE_PMD_SIZE; + else + VM_BUG_ON_PAGE(1, page); smaps_account(mss, page, true, pmd_young(*pmd), pmd_dirty(*pmd)); } #else @@ -770,6 +776,7 @@ static int show_smap(struct seq_file *m, void *v, int is_pid) "Referenced: %8lu kB\n" "Anonymous: %8lu kB\n" "AnonHugePages: %8lu kB\n" + "ShmemPmdMapped: %8lu kB\n" "Shared_Hugetlb: %8lu kB\n" "Private_Hugetlb: %7lu kB\n" "Swap: %8lu kB\n" @@ -787,6 +794,7 @@ static int show_smap(struct seq_file *m, void *v, int is_pid) mss.referenced >> 10, mss.anonymous >> 10, mss.anonymous_thp >> 10, + mss.shmem_thp >> 10, mss.shared_hugetlb >> 10, mss.private_hugetlb >> 10, mss.swap >> 10, |