The patch titled
smaps: account swap entries
has been added to the -mm tree. Its filename is
smaps-account-swap-entries.patch
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------------------------------------------------------
Subject: smaps: account swap entries
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Show the amount of swap for each vma. This can be used to see where all the
swap goes.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Acked-by: Matt Mackall <mpm@xxxxxxxxxxx>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/task_mmu.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff -puN fs/proc/task_mmu.c~smaps-account-swap-entries fs/proc/task_mmu.c
--- a/fs/proc/task_mmu.c~smaps-account-swap-entries
+++ a/fs/proc/task_mmu.c
@@ -347,6 +347,7 @@ struct mem_size_stats
unsigned long private_clean;
unsigned long private_dirty;
unsigned long referenced;
+ unsigned long swap;
u64 pss;
};
@@ -363,6 +364,12 @@ static int smaps_pte_range(pmd_t *pmd, u
pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
for (; addr != end; pte++, addr += PAGE_SIZE) {
ptent = *pte;
+
+ if (is_swap_pte(ptent)) {
+ mss->swap += PAGE_SIZE;
+ continue;
+ }
+
if (!pte_present(ptent))
continue;
@@ -421,7 +428,8 @@ static int show_smap(struct seq_file *m,
"Shared_Dirty: %8lu kB\n"
"Private_Clean: %8lu kB\n"
"Private_Dirty: %8lu kB\n"
- "Referenced: %8lu kB\n",
+ "Referenced: %8lu kB\n"
+ "Swap: %8lu kB\n",
(vma->vm_end - vma->vm_start) >> 10,
mss.resident >> 10,
(unsigned long)(mss.pss >> (10 + PSS_SHIFT)),
@@ -429,7 +437,8 @@ static int show_smap(struct seq_file *m,
mss.shared_dirty >> 10,
mss.private_clean >> 10,
mss.private_dirty >> 10,
- mss.referenced >> 10);
+ mss.referenced >> 10,
+ mss.swap >> 10);
return ret;
}
_
Patches currently in -mm which might be from peterz@xxxxxxxxxxxxx are
smaps-account-swap-entries.patch
ipmi-convert-locked-counters-to-atomics-convert-message-handler-defines-to-an-enum.patch
ipmi-convert-locked-counters-to-atomics-in-the-system-interface-convert-system-interface-defines-to-an-enum.patch
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