/proc/pid/smaps: show VM_SOFTDIRTY flag in VmFlags line

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / proc / task_mmu.c

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 390bdab..abbe825 100644 (file)
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -561,6 +561,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
                [ilog2(VM_NONLINEAR)]   = "nl",
                [ilog2(VM_ARCH_1)]      = "ar",
                [ilog2(VM_DONTDUMP)]    = "dd",
+#ifdef CONFIG_MEM_SOFT_DIRTY
+               [ilog2(VM_SOFTDIRTY)]   = "sd",
+#endif
                [ilog2(VM_MIXEDMAP)]    = "mm",
                [ilog2(VM_HUGEPAGE)]    = "hg",
                [ilog2(VM_NOHUGEPAGE)]  = "nh",
@@ -1387,8 +1390,8 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
        struct mm_struct *mm = vma->vm_mm;
        struct mm_walk walk = {};
        struct mempolicy *pol;
-       int n;
-       char buffer[50];
+       char buffer[64];
+       int nid;
 
        if (!mm)
                return 0;
@@ -1404,10 +1407,8 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
        walk.mm = mm;
 
        pol = get_vma_policy(task, vma, vma->vm_start);
-       n = mpol_to_str(buffer, sizeof(buffer), pol);
+       mpol_to_str(buffer, sizeof(buffer), pol);
        mpol_cond_put(pol);
-       if (n < 0)
-               return n;
 
        seq_printf(m, "%08lx %s", vma->vm_start, buffer);
 
@@ -1460,9 +1461,9 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
        if (md->writeback)
                seq_printf(m, " writeback=%lu", md->writeback);
 
-       for_each_node_state(n, N_MEMORY)
-               if (md->node[n])
-                       seq_printf(m, " N%d=%lu", n, md->node[n]);
+       for_each_node_state(nid, N_MEMORY)
+               if (md->node[nid])
+                       seq_printf(m, " N%d=%lu", nid, md->node[nid]);
 out:
        seq_putc(m, '\n');