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authorVlastimil Babka <vbabka@suse.cz>2018-08-21 21:52:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 10:52:44 -0700
commitf1547959d9efd0be6cac2a2fd32f05dd7144dd6c (patch)
tree5c5c1282d48d53a14253afb3fe6aabbf604945e1 /fs/proc/task_mmu.c
parent8e68d689afe3284a5bc1663562d3e0a45d1c64fd (diff)
mm: /proc/pid/smaps: factor out common stats printing
To prepare for handling /proc/pid/smaps_rollup differently from /proc/pid/smaps factor out from show_smap() printing the parts of output that are common for both variants, which is the bulk of the gathered memory stats. [vbabka@suse.cz: add const, per Alexey] Link: http://lkml.kernel.org/r/b45f319f-cd04-337b-37f8-77f99786aa8a@suse.cz Link: http://lkml.kernel.org/r/20180723111933.15443-4-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Daniel Colascione <dancol@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c51
1 files changed, 29 insertions, 22 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index d2ca88c92d9d..c47f3cab70a1 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -747,6 +747,32 @@ static void smap_gather_stats(struct vm_area_struct *vma,
#define SEQ_PUT_DEC(str, val) \
seq_put_decimal_ull_width(m, str, (val) >> 10, 8)
+
+/* Show the contents common for smaps and smaps_rollup */
+static void __show_smap(struct seq_file *m, const struct mem_size_stats *mss)
+{
+ SEQ_PUT_DEC("Rss: ", mss->resident);
+ SEQ_PUT_DEC(" kB\nPss: ", mss->pss >> PSS_SHIFT);
+ SEQ_PUT_DEC(" kB\nShared_Clean: ", mss->shared_clean);
+ SEQ_PUT_DEC(" kB\nShared_Dirty: ", mss->shared_dirty);
+ SEQ_PUT_DEC(" kB\nPrivate_Clean: ", mss->private_clean);
+ SEQ_PUT_DEC(" kB\nPrivate_Dirty: ", mss->private_dirty);
+ SEQ_PUT_DEC(" kB\nReferenced: ", mss->referenced);
+ SEQ_PUT_DEC(" kB\nAnonymous: ", mss->anonymous);
+ SEQ_PUT_DEC(" kB\nLazyFree: ", mss->lazyfree);
+ SEQ_PUT_DEC(" kB\nAnonHugePages: ", mss->anonymous_thp);
+ SEQ_PUT_DEC(" kB\nShmemPmdMapped: ", mss->shmem_thp);
+ SEQ_PUT_DEC(" kB\nShared_Hugetlb: ", mss->shared_hugetlb);
+ seq_put_decimal_ull_width(m, " kB\nPrivate_Hugetlb: ",
+ mss->private_hugetlb >> 10, 7);
+ SEQ_PUT_DEC(" kB\nSwap: ", mss->swap);
+ SEQ_PUT_DEC(" kB\nSwapPss: ",
+ mss->swap_pss >> PSS_SHIFT);
+ SEQ_PUT_DEC(" kB\nLocked: ",
+ mss->pss_locked >> PSS_SHIFT);
+ seq_puts(m, " kB\n");
+}
+
static int show_smap(struct seq_file *m, void *v)
{
struct proc_maps_private *priv = m->private;
@@ -791,28 +817,9 @@ static int show_smap(struct seq_file *m, void *v)
seq_puts(m, " kB\n");
}
- if (!rollup_mode || last_vma) {
- SEQ_PUT_DEC("Rss: ", mss->resident);
- SEQ_PUT_DEC(" kB\nPss: ", mss->pss >> PSS_SHIFT);
- SEQ_PUT_DEC(" kB\nShared_Clean: ", mss->shared_clean);
- SEQ_PUT_DEC(" kB\nShared_Dirty: ", mss->shared_dirty);
- SEQ_PUT_DEC(" kB\nPrivate_Clean: ", mss->private_clean);
- SEQ_PUT_DEC(" kB\nPrivate_Dirty: ", mss->private_dirty);
- SEQ_PUT_DEC(" kB\nReferenced: ", mss->referenced);
- SEQ_PUT_DEC(" kB\nAnonymous: ", mss->anonymous);
- SEQ_PUT_DEC(" kB\nLazyFree: ", mss->lazyfree);
- SEQ_PUT_DEC(" kB\nAnonHugePages: ", mss->anonymous_thp);
- SEQ_PUT_DEC(" kB\nShmemPmdMapped: ", mss->shmem_thp);
- SEQ_PUT_DEC(" kB\nShared_Hugetlb: ", mss->shared_hugetlb);
- seq_put_decimal_ull_width(m, " kB\nPrivate_Hugetlb: ",
- mss->private_hugetlb >> 10, 7);
- SEQ_PUT_DEC(" kB\nSwap: ", mss->swap);
- SEQ_PUT_DEC(" kB\nSwapPss: ",
- mss->swap_pss >> PSS_SHIFT);
- SEQ_PUT_DEC(" kB\nLocked: ",
- mss->pss_locked >> PSS_SHIFT);
- seq_puts(m, " kB\n");
- }
+ if (!rollup_mode || last_vma)
+ __show_smap(m, mss);
+
if (!rollup_mode) {
if (arch_pkeys_enabled())
seq_printf(m, "ProtectionKey: %8u\n", vma_pkey(vma));