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48e6484d49
linux/fs/proc
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Eric W. Biederman 48e6484d49 [PATCH] proc: Rewrite the proc dentry flush on exit optimization 
To keep the dcache from filling up with dead /proc entries we flush them on
process exit.  However over the years that code has gotten hairy with a
dentry_pointer and a lock in task_struct and misdocumented as a correctness
feature.

I have rewritten this code to look and see if we have a corresponding entry in
the dcache and if so flush it on process exit.  This removes the extra fields
in the task_struct and allows me to trivially handle the case of a
/proc/<tgid>/task/<pid> entry as well as the current /proc/<pid> entries.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-26 09:58:24 -07:00
..
array.c [PATCH] hrtimers: remove it_real_value calculation from proc/*/stat 2006-03-26 08:57:02 -08:00
base.c [PATCH] proc: Rewrite the proc dentry flush on exit optimization 2006-06-26 09:58:24 -07:00
generic.c [PATCH] mark f_ops const in the inode 2006-03-28 09:16:05 -08:00
inode-alloc.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
inode.c [PATCH] proc: Replace proc_inode.type with proc_inode.fd 2006-06-26 09:58:24 -07:00
internal.h [PATCH] proc: Move proc_maps_operations into task_mmu.c 2006-06-26 09:58:24 -07:00
kcore.c [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
kmsg.c [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
Makefile [PATCH] kdump: Access dump file in elf format (/proc/vmcore) 2005-06-25 16:24:53 -07:00
mmu.c [PATCH] fix impossible VmallocChunk 2005-05-17 07:59:10 -07:00
nommu.c [PATCH] output of /proc/maps on nommu systems is incomplete 2005-10-17 17:03:57 -07:00
proc_devtree.c [PATCH] powerpc: Cope with duplicate node & property names in /proc/device-tree 2006-03-28 16:45:23 +11:00
proc_misc.c [PATCH] Simplify proc/devices and fix early termination regression 2006-03-31 12:18:53 -08:00
proc_tty.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
root.c [PATCH] VFS: Permit filesystem to override root dentry on mount 2006-06-23 07:42:45 -07:00
task_mmu.c [PATCH] proc: Move proc_maps_operations into task_mmu.c 2006-06-26 09:58:24 -07:00
task_nommu.c [PATCH] proc: Move proc_maps_operations into task_mmu.c 2006-06-26 09:58:24 -07:00
vmcore.c [PATCH] kdump proc vmcore size oveflow fix 2006-04-11 06:18:42 -07:00