kernel_optimize_test/fs/proc
Alexey Dobriyan 26b95137d6 proc: skip branch in /proc/*/* lookup
Code is structured like this:

	for ( ... p < last; p++) {
		if (memcmp == 0)
			break;
	}
	if (p >= last)
		ERROR
	OK

gcc doesn't see that if if lookup succeeds than post loop branch will
never be taken and skip it.

[akpm@linux-foundation.org: proc_pident_instantiate() no longer takes an inode*]
Link: http://lkml.kernel.org/r/20180423213954.GD9043@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-15 07:55:24 +09:00
..
array.c proc: use "unsigned int" for sigqueue length 2018-06-07 17:34:38 -07:00
base.c proc: skip branch in /proc/*/* lookup 2018-06-15 07:55:24 +09:00
cmdline.c proc: introduce proc_create_single{,_data} 2018-05-16 07:23:35 +02:00
consoles.c proc: introduce proc_create_seq{,_data} 2018-05-16 07:23:35 +02:00
cpuinfo.c
devices.c proc: introduce proc_create_seq{,_data} 2018-05-16 07:23:35 +02:00
fd.c proc: use "unsigned int" in proc_fill_cache() 2018-06-07 17:34:38 -07:00
fd.h
generic.c Merge branch 'work.lookup' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-04 13:46:22 -07:00
inode.c
internal.h proc: use "unsigned int" in proc_fill_cache() 2018-06-07 17:34:38 -07:00
interrupts.c proc: introduce proc_create_seq{,_data} 2018-05-16 07:23:35 +02:00
Kconfig vmcore: add API to collect hardware dump in second kernel 2018-05-14 13:46:04 -04:00
kcore.c proc/kcore: don't bounds check against address 0 2018-05-11 17:28:45 -07:00
kmsg.c
loadavg.c proc: introduce proc_create_single{,_data} 2018-05-16 07:23:35 +02:00
Makefile
meminfo.c proc: introduce proc_create_single{,_data} 2018-05-16 07:23:35 +02:00
namespaces.c procfs: switch instantiate_t to d_splice_alias() 2018-05-26 14:20:50 -04:00
nommu.c proc: introduce proc_create_seq{,_data} 2018-05-16 07:23:35 +02:00
page.c mm: mark pages in use for page tables 2018-06-07 17:34:37 -07:00
proc_net.c proc: introduce proc_create_net_single 2018-05-16 07:24:30 +02:00
proc_sysctl.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
proc_tty.c tty: replace ->proc_fops with ->proc_show 2018-05-16 07:24:30 +02:00
root.c proc: use slower rb_first() 2018-04-11 10:28:34 -07:00
self.c proc: introduce a proc_pid_ns helper 2018-05-16 07:23:35 +02:00
softirqs.c proc: introduce proc_create_single{,_data} 2018-05-16 07:23:35 +02:00
stat.c
task_mmu.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
task_nommu.c
thread_self.c proc: introduce a proc_pid_ns helper 2018-05-16 07:23:35 +02:00
uptime.c proc: introduce proc_create_single{,_data} 2018-05-16 07:23:35 +02:00
util.c
version.c proc: introduce proc_create_single{,_data} 2018-05-16 07:23:35 +02:00
vmcore.c vmcore: move get_vmcore_size out of __init 2018-05-21 12:34:22 -04:00