diff options
| author | npiggin@suse.de <npiggin@suse.de> | 2009-08-20 12:35:05 -0400 |
|---|---|---|
| committer | al <al@dizzy.pdmi.ras.ru> | 2009-09-24 08:41:47 -0400 |
| commit | 25d9e2d15286281ec834b829a4aaf8969011f1cd (patch) | |
| tree | e4329a481ca197afae30f04335e023c7d04f7d67 /Documentation/vm | |
| parent | eca6f534e61919b28fb21aafbd1c2983deae75be (diff) | |
truncate: new helpers
Introduce new truncate helpers truncate_pagecache and inode_newsize_ok.
vmtruncate is also consolidated from mm/memory.c and mm/nommu.c and
into mm/truncate.c.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'Documentation/vm')
| -rw-r--r-- | Documentation/vm/locking | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/vm/locking b/Documentation/vm/locking index f366fa956179..25fadb448760 100644 --- a/Documentation/vm/locking +++ b/Documentation/vm/locking | |||
| @@ -80,7 +80,7 @@ Note: PTL can also be used to guarantee that no new clones using the | |||
| 80 | mm start up ... this is a loose form of stability on mm_users. For | 80 | mm start up ... this is a loose form of stability on mm_users. For |
| 81 | example, it is used in copy_mm to protect against a racing tlb_gather_mmu | 81 | example, it is used in copy_mm to protect against a racing tlb_gather_mmu |
| 82 | single address space optimization, so that the zap_page_range (from | 82 | single address space optimization, so that the zap_page_range (from |
| 83 | vmtruncate) does not lose sending ipi's to cloned threads that might | 83 | truncate) does not lose sending ipi's to cloned threads that might |
| 84 | be spawned underneath it and go to user mode to drag in pte's into tlbs. | 84 | be spawned underneath it and go to user mode to drag in pte's into tlbs. |
| 85 | 85 | ||
| 86 | swap_lock | 86 | swap_lock |