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| author | Yanjiang Jin <yanjiang.jin@windriver.com> | 2015-02-27 06:30:34 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-03-26 05:23:17 +0100 |
| commit | e77553cb21adabb7680930e7b20c578cec7ae5a8 (patch) | |
| tree | d0be2da988ce69a2e5ba5b972c1bf07f60197833 /drivers/ps3/ps3-lpm.c | |
| parent | powerpc/pseries: Introduce api_version to migration sysfs interface (diff) | |
| download | linux-e77553cb21adabb7680930e7b20c578cec7ae5a8.tar.xz linux-e77553cb21adabb7680930e7b20c578cec7ae5a8.zip | |
powerpc/mm: Free string after creating kmem cache
kmem_cache_create()->kmem_cache_create_memcg()->kstrdup() allocates new
space and copys name's content, so it is safe to free name memory after
calling kmem_cache_create(). Else kmemleak will report the below
warning:
unreferenced object 0xc0000000f9002160 (size 16):
comm "swapper/0", pid 0, jiffies 4294892296 (age 1386.640s)
hex dump (first 16 bytes):
70 67 74 61 62 6c 65 2d 32 5e 39 00 de ad be ef pgtable-2^9.....
backtrace:
[<c0000000004e03ec>] .kvasprintf+0x5c/0xa0
[<c0000000004e045c>] .kasprintf+0x2c/0x50
[<c00000000002e36c>] .pgtable_cache_add+0xac/0x100
[<c00000000002e3e4>] .pgtable_cache_init+0x24/0x80
[<c000000000c6c67c>] .start_kernel+0x228/0x4c8
[<c000000000000594>] .start_here_common+0x24/0x90
Signed-off-by: Yanjiang Jin <yanjiang.jin@windriver.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/ps3/ps3-lpm.c')
0 files changed, 0 insertions, 0 deletions