Resident set size(Rss) accounting of hugetlb pages is not done currently in /proc/<pid>/smaps. The pmap command reads rss from this file and so it shows Rss to be 0 in pmap -x output for hugetlb mapped vmas. This patch fixes it.
Signed-off-by: Prakash Sangappa <[email protected]> --- fs/proc/task_mmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 5589b4b..c7e1048 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -724,6 +724,7 @@ static int smaps_hugetlb_range(pte_t *pte, unsigned long hmask, mss->shared_hugetlb += huge_page_size(hstate_vma(vma)); else mss->private_hugetlb += huge_page_size(hstate_vma(vma)); + mss->resident += huge_page_size(hstate_vma(vma)); } return 0; } -- 2.7.4
