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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2017-11-17 15:26:49 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-17 16:10:00 -0800 |
| commit | 3ee2a19908f27b8fea8ff14ffa8b755585eb7b4a (patch) | |
| tree | 4dc375234b65b25e1f8088691faad72f80a2cb5b /fs/proc/internal.h | |
| parent | c643401218be0f4ab3522e0c0a63016596d6e9ca (diff) | |
| download | linux-3ee2a19908f27b8fea8ff14ffa8b755585eb7b4a.tar.bz2 | |
proc: : uninline name_to_int()
Save ~360 bytes.
add/remove: 1/0 grow/shrink: 0/4 up/down: 104/-463 (-359)
function old new delta
name_to_int - 104 +104
proc_pid_lookup 217 126 -91
proc_lookupfd_common 212 121 -91
proc_task_lookup 289 194 -95
__proc_create 588 402 -186
Link: http://lkml.kernel.org/r/20170912194850.GA17730@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/internal.h')
| -rw-r--r-- | fs/proc/internal.h | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/fs/proc/internal.h b/fs/proc/internal.h index a34195e92b20..9aad373cf11d 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -103,28 +103,7 @@ static inline struct task_struct *get_proc_task(struct inode *inode) void task_dump_owner(struct task_struct *task, mode_t mode, kuid_t *ruid, kgid_t *rgid); -static inline unsigned name_to_int(const struct qstr *qstr) -{ - const char *name = qstr->name; - int len = qstr->len; - unsigned n = 0; - - if (len > 1 && *name == '0') - goto out; - while (len-- > 0) { - unsigned c = *name++ - '0'; - if (c > 9) - goto out; - if (n >= (~0U-9)/10) - goto out; - n *= 10; - n += c; - } - return n; -out: - return ~0U; -} - +unsigned name_to_int(const struct qstr *qstr); /* * Offset of the first process in the /proc root directory.. */ |