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45 lines
1.2 KiB
45 lines
1.2 KiB
2 years ago
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From 7b5f3e98680f0720f9e6d06b6acdcbf92af4aedd Mon Sep 17 00:00:00 2001
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From: Pingfan Liu <piliu@redhat.com>
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Date: Thu, 10 Jun 2021 10:54:08 +0800
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Subject: [PATCH 2/6] shm.c: fix memleak in dump_shm()
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Signed-off-by: Pingfan Liu <piliu@redhat.com>
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---
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shm.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/shm.c b/shm.c
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index 79043c9..c0b6ee3 100644
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--- a/shm.c
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+++ b/shm.c
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@@ -182,7 +182,7 @@ dumppol(unsigned long long start, unsigned long long end, int pol, struct bitmas
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/* Dump policies in a shared memory segment. */
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void dump_shm(void)
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{
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- struct bitmask *nodes, *prevnodes;
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+ struct bitmask *nodes, *prevnodes, *tag;
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int prevpol = -1, pol;
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unsigned long long c, start;
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@@ -193,7 +193,7 @@ void dump_shm(void)
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}
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nodes = numa_allocate_nodemask();
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- prevnodes = numa_allocate_nodemask();
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+ tag = prevnodes = numa_allocate_nodemask();
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for (c = 0; c < shmlen; c += shm_pagesize) {
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if (get_mempolicy(&pol, nodes->maskp, nodes->size, c+shmptr,
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@@ -208,6 +208,8 @@ void dump_shm(void)
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start = c;
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}
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dumppol(start, c, prevpol, prevnodes);
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+ numa_free_nodemask(nodes);
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+ numa_free_nodemask(tag);
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}
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static void dumpnode(unsigned long long start, unsigned long long end, int node)
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--
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2.29.2
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