Messages in this thread | | | Date | Tue, 3 Apr 2012 12:11:00 -0400 | From | Chris Metcalf <> | Subject | Re: [PATCH 15/19 v2] tile/mm/fault.c: Port OOM changes to handle_page_fault |
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On 3/31/2012 8:05 AM, Kautuk Consul wrote: > Commit d065bd810b6deb67d4897a14bfe21f8eb526ba99 > (mm: retry page fault when blocking on disk transfer) and > commit 37b23e0525d393d48a7d59f870b3bc061a30ccdb > (x86,mm: make pagefault killable) > > The above commits introduced changes into the x86 pagefault handler > for making the page fault handler retryable as well as killable. > > These changes reduce the mmap_sem hold time, which is crucial > during OOM killer invocation. > > Port these changes to tile. > > Signed-off-by: Kautuk Consul <consul.kautuk@gmail.com> > [...] > + /* No need to up_read(&mm->mmap_sem) as we would > + * have already released it in __lock_page_or_retry > + * in mm/filemap.c. > + */ >
Taken into the tile tree. I adjusted the block comment whitespacing to normal Linux standard. Thanks!
-- Chris Metcalf, Tilera Corp. http://www.tilera.com
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