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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-06-17 16:27:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-18 13:03:47 -0700 |
| commit | 338c843108bf5030d6765f4405126e70f8b77845 (patch) | |
| tree | c3bdab2f288e4c5a843ea07e0f8938a821ab848a /mm/page_cgroup.c | |
| parent | 302362c5abdda80b5c2e4e57be610c2e3c2ab3c5 (diff) | |
| download | lwn-338c843108bf5030d6765f4405126e70f8b77845.tar.gz lwn-338c843108bf5030d6765f4405126e70f8b77845.zip | |
memcg: remove some redundant checks
We don't need to check do_swap_account in the case that the function which
checks do_swap_account will never get called if do_swap_account == 0.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_cgroup.c')
| -rw-r--r-- | mm/page_cgroup.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c index 672089d5819f..f22b4ebbd8dc 100644 --- a/mm/page_cgroup.c +++ b/mm/page_cgroup.c @@ -311,8 +311,6 @@ static int swap_cgroup_prepare(int type) struct swap_cgroup_ctrl *ctrl; unsigned long idx, max; - if (!do_swap_account) - return 0; ctrl = &swap_cgroup_ctrl[type]; for (idx = 0; idx < ctrl->length; idx++) { @@ -349,9 +347,6 @@ unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id) struct swap_cgroup *sc; unsigned short old; - if (!do_swap_account) - return 0; - ctrl = &swap_cgroup_ctrl[type]; mappage = ctrl->map[idx]; @@ -380,9 +375,6 @@ unsigned short lookup_swap_cgroup(swp_entry_t ent) struct swap_cgroup *sc; unsigned short ret; - if (!do_swap_account) - return 0; - ctrl = &swap_cgroup_ctrl[type]; mappage = ctrl->map[idx]; sc = page_address(mappage); |