[lkml]   [2003]   [Nov]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] 2.6.0-test10 O_DIRECT memory leak fix
Badari Pulavarty <> wrote:
> Hi Andrew,
> I found the problem with O_DIRECT memory leak.
> The problem is, when we are doing DIO read and crossed the end of file -
> we don't release referencess on all the pages we got from get_user_pages().
> (since it is a sucess case).
> The fix is to call dio_cleanup() even for sucess cases. Can you please
> review this ? I tested the patch with fsstress and there are no memory leak
> problems now.

Thanks, it looks OK. Those pages haven't even been put into BIOs so I see
no problem releasing them here even if there is still async I/O in flight.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:58    [W:0.052 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site