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Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 5ea1d64cb0b4..a027473561c6 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -713,6 +713,8 @@ static void smap_gather_stats(struct vm_area_struct *vma,
 	smaps_walk.private = mss;
 
 #ifdef CONFIG_SHMEM
+	/* In case of smaps_rollup, reset the value from previous vma */
+	mss->check_shmem_swap = false;
 	if (vma->vm_file && shmem_mapping(vma->vm_file->f_mapping)) {
 		/*
 		 * For shared or readonly shmem mappings we know that all
@@ -728,7 +730,7 @@ static void smap_gather_stats(struct vm_area_struct *vma,
 
 		if (!shmem_swapped || (vma->vm_flags & VM_SHARED) ||
 					!(vma->vm_flags & VM_WRITE)) {
-			mss->swap = shmem_swapped;
+			mss->swap += shmem_swapped;
 		} else {
 			mss->check_shmem_swap = true;
 			smaps_walk.pte_hole = smaps_pte_hole;