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Groups > linux.kernel > #1493718
| From | Joe Perches <joe@perches.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() |
| Date | 2016-09-29 23:00 +0200 |
| Message-ID | <smQAV-AR-9@gated-at.bofh.it> (permalink) |
| References | (6 earlier) <smI0G-3zS-11@gated-at.bofh.it> <smL8d-5IG-13@gated-at.bofh.it> <smPvb-8lN-9@gated-at.bofh.it> <smQ7T-qR-5@gated-at.bofh.it> <smQrg-xo-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, 2016-09-29 at 22:39 +0200, Paul Bolle wrote:
> On Thu, 2016-09-29 at 13:24 -0700, Joe Perches wrote:
> > On Thu, 2016-09-29 at 21:43 +0200, Paul Bolle wrote:
> > > Why doesn't that regex match on "ORIGIN_HASH_SIZE"?
> > It does match.
> If that regex does match, it being part of a negative test, the
> specific checkpatch rule should be silent, shouldn't it?
'cause I forgot to trim() the original $4 and $10 matches.
Oh well.
It doesn't matter match either way to me.
The case for the unnecessary multiply with <= gcc 4.8 was
removed with:
commit 91c6a05f72a996bee5133e76374ab3ad7d3b9b72
Author: Alexey Dobriyan <adobriyan@gmail.com>
Date: Tue Jul 26 15:22:08 2016 -0700
mm: faster kmalloc_array(), kcalloc()
When both arguments to kmalloc_array() or kcalloc() are known at compile
time then their product is known at compile time but search for kmalloc
cache happens at runtime not at compile time.
Link: http://lkml.kernel.org/r/20160627213454.GA2440@p183.telecom.by
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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[PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-29 11:10 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Paul Bolle <pebolle@tiscali.nl> - 2016-09-29 12:00 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Joe Perches <joe@perches.com> - 2016-09-29 12:10 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Paul Bolle <pebolle@tiscali.nl> - 2016-09-29 13:20 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Paul Bolle <pebolle@tiscali.nl> - 2016-09-29 13:50 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Joe Perches <joe@perches.com> - 2016-09-29 17:10 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Paul Bolle <pebolle@tiscali.nl> - 2016-09-29 21:50 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Joe Perches <joe@perches.com> - 2016-09-29 22:30 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Paul Bolle <pebolle@tiscali.nl> - 2016-09-29 22:50 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Joe Perches <joe@perches.com> - 2016-09-29 23:00 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Paul Bolle <pebolle@tiscali.nl> - 2016-09-29 23:20 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Joe Perches <joe@perches.com> - 2016-09-29 23:30 +0200
Re: [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash() Paul Bolle <pebolle@tiscali.nl> - 2016-09-29 23:50 +0200
Re: dm snapshot: Use kmalloc_array() in init_origin_hash() ? SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-30 09:20 +0200
Re: dm snapshot: Use kmalloc_array() in init_origin_hash() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-29 13:50 +0200
Re: dm snapshot: Use kmalloc_array() in init_origin_hash() Theodore Ts'o <tytso@mit.edu> - 2016-09-29 15:10 +0200
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