projects
/
platform
/
kernel
/
linux-starfive.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
ba32923
)
bpf: Fix off-by-one error in bpf_mem_cache_idx()
author
Hou Tao
<houtao1@huawei.com>
Wed, 18 Jan 2023 08:46:30 +0000
(16:46 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Thu, 9 Feb 2023 10:28:00 +0000
(11:28 +0100)
[ Upstream commit
36024d023d139a0c8b552dc3b7f4dc7b4c139e8f
]
According to the definition of sizes[NUM_CACHES], when the size passed
to bpf_mem_cache_size() is 256, it should return 6 instead 7.
Fixes:
7c8199e24fa0
("bpf: Introduce any context BPF specific memory allocator.")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Yonghong Song <yhs@fb.com>
Link:
https://lore.kernel.org/r/20230118084630.3750680-1-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
kernel/bpf/memalloc.c
patch
|
blob
|
history
diff --git
a/kernel/bpf/memalloc.c
b/kernel/bpf/memalloc.c
index
4901fa1
..
6187c28
100644
(file)
--- a/
kernel/bpf/memalloc.c
+++ b/
kernel/bpf/memalloc.c
@@
-71,7
+71,7
@@
static int bpf_mem_cache_idx(size_t size)
if (size <= 192)
return size_index[(size - 1) / 8] - 1;
- return fls(size - 1) -
1
;
+ return fls(size - 1) -
2
;
}
#define NUM_CACHES 11