Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-10 15:19:51 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

readahead: apply max_sane_readahead() limit in ondemand_readahead()

Browse Source 
Just in case someone aggressively sets a huge readahead size.

Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Ying Han <yinghan@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wu Fengguang 2009-06-16 15:31:21 -07:00 committed by Linus Torvalds
parent f7e839dd36
commit fc31d16add
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
mm/readahead.c
View File

@ -357,7 +357,7 @@ ondemand_readahead(struct address_space *mapping,
bool hit_readahead_marker, pgoff_t offset, bool hit_readahead_marker, pgoff_t offset,
unsigned long req_size) unsigned long req_size)
{ {
int max = ra->ra_pages; /* max readahead pages */ unsigned long max = max_sane_readahead(ra->ra_pages);
pgoff_t prev_offset; pgoff_t prev_offset;
int sequential; int sequential;