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authorArnaldo Carvalho de Melo <acme@redhat.com>2021-11-06 21:49:33 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-11-06 21:49:33 +0300
commit7f9f879243d6cf5d2d60d12065e93189cc343387 (patch)
treee74619a16f8291f7225ee9877cf93e530243e0d3 /lib/assoc_array.c
parent32f7aa2731b24ad8393f26d63df959d74844345f (diff)
parentfe91c4725aeed35023ba4f7a1e1adfebb6878c23 (diff)
downloadlinux-7f9f879243d6cf5d2d60d12065e93189cc343387.tar.xz
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up some tools/perf/ patches that went via tip/perf/core, such as: tools/perf: Add mem_hops field in perf_mem_data_src structure Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'lib/assoc_array.c')
-rw-r--r--lib/assoc_array.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/lib/assoc_array.c b/lib/assoc_array.c
index 04c98799c3ba..079c72e26493 100644
--- a/lib/assoc_array.c
+++ b/lib/assoc_array.c
@@ -741,8 +741,7 @@ all_leaves_cluster_together:
keylen = round_up(diff, ASSOC_ARRAY_KEY_CHUNK_SIZE);
keylen >>= ASSOC_ARRAY_KEY_CHUNK_SHIFT;
- new_s0 = kzalloc(sizeof(struct assoc_array_shortcut) +
- keylen * sizeof(unsigned long), GFP_KERNEL);
+ new_s0 = kzalloc(struct_size(new_s0, index_key, keylen), GFP_KERNEL);
if (!new_s0)
return false;
edit->new_meta[2] = assoc_array_shortcut_to_ptr(new_s0);
@@ -849,8 +848,8 @@ static bool assoc_array_insert_mid_shortcut(struct assoc_array_edit *edit,
keylen = round_up(diff, ASSOC_ARRAY_KEY_CHUNK_SIZE);
keylen >>= ASSOC_ARRAY_KEY_CHUNK_SHIFT;
- new_s0 = kzalloc(sizeof(struct assoc_array_shortcut) +
- keylen * sizeof(unsigned long), GFP_KERNEL);
+ new_s0 = kzalloc(struct_size(new_s0, index_key, keylen),
+ GFP_KERNEL);
if (!new_s0)
return false;
edit->new_meta[1] = assoc_array_shortcut_to_ptr(new_s0);
@@ -864,7 +863,7 @@ static bool assoc_array_insert_mid_shortcut(struct assoc_array_edit *edit,
new_n0->parent_slot = 0;
memcpy(new_s0->index_key, shortcut->index_key,
- keylen * sizeof(unsigned long));
+ flex_array_size(new_s0, index_key, keylen));
blank = ULONG_MAX << (diff & ASSOC_ARRAY_KEY_CHUNK_MASK);
pr_devel("blank off [%zu] %d: %lx\n", keylen - 1, diff, blank);
@@ -899,8 +898,8 @@ static bool assoc_array_insert_mid_shortcut(struct assoc_array_edit *edit,
keylen = round_up(shortcut->skip_to_level, ASSOC_ARRAY_KEY_CHUNK_SIZE);
keylen >>= ASSOC_ARRAY_KEY_CHUNK_SHIFT;
- new_s1 = kzalloc(sizeof(struct assoc_array_shortcut) +
- keylen * sizeof(unsigned long), GFP_KERNEL);
+ new_s1 = kzalloc(struct_size(new_s1, index_key, keylen),
+ GFP_KERNEL);
if (!new_s1)
return false;
edit->new_meta[2] = assoc_array_shortcut_to_ptr(new_s1);
@@ -913,7 +912,7 @@ static bool assoc_array_insert_mid_shortcut(struct assoc_array_edit *edit,
new_n0->slots[sc_slot] = assoc_array_shortcut_to_ptr(new_s1);
memcpy(new_s1->index_key, shortcut->index_key,
- keylen * sizeof(unsigned long));
+ flex_array_size(new_s1, index_key, keylen));
edit->set[1].ptr = &side->back_pointer;
edit->set[1].to = assoc_array_shortcut_to_ptr(new_s1);
@@ -1490,13 +1489,12 @@ descend:
shortcut = assoc_array_ptr_to_shortcut(cursor);
keylen = round_up(shortcut->skip_to_level, ASSOC_ARRAY_KEY_CHUNK_SIZE);
keylen >>= ASSOC_ARRAY_KEY_CHUNK_SHIFT;
- new_s = kmalloc(sizeof(struct assoc_array_shortcut) +
- keylen * sizeof(unsigned long), GFP_KERNEL);
+ new_s = kmalloc(struct_size(new_s, index_key, keylen),
+ GFP_KERNEL);
if (!new_s)
goto enomem;
pr_devel("dup shortcut %p -> %p\n", shortcut, new_s);
- memcpy(new_s, shortcut, (sizeof(struct assoc_array_shortcut) +
- keylen * sizeof(unsigned long)));
+ memcpy(new_s, shortcut, struct_size(new_s, index_key, keylen));
new_s->back_pointer = new_parent;
new_s->parent_slot = shortcut->parent_slot;
*new_ptr_pp = new_parent = assoc_array_shortcut_to_ptr(new_s);