diff options
author | Robert P. J. Day <rpjday@mindspring.com> | 2007-02-10 04:45:46 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-11 13:51:31 -0500 |
commit | aa58d61d18b89b98521364550b481fd9bd18c3b6 (patch) | |
tree | 26f6fd9cbaf6bc3c7d940d33069b3b701cc41e72 /drivers/scsi/53c7xx.c | |
parent | 78ba2faf71c63990cba9997f18cf1d610e06e3f2 (diff) |
[PATCH] Get rid of "double zeroing" of allocated pages
Simplify the few instances where a call to "get_zeroed_page()" is closely
followed by an unnecessary call to memset() to clear that page.
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Cc: chas williams <chas@cmf.nrl.navy.mil>
Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/scsi/53c7xx.c')
-rw-r--r-- | drivers/scsi/53c7xx.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/scsi/53c7xx.c b/drivers/scsi/53c7xx.c index 640536ef77dc..9c3794310879 100644 --- a/drivers/scsi/53c7xx.c +++ b/drivers/scsi/53c7xx.c | |||
@@ -3099,7 +3099,6 @@ allocate_cmd (Scsi_Cmnd *cmd) { | |||
3099 | real = get_zeroed_page(GFP_ATOMIC); | 3099 | real = get_zeroed_page(GFP_ATOMIC); |
3100 | if (real == 0) | 3100 | if (real == 0) |
3101 | return NULL; | 3101 | return NULL; |
3102 | memset((void *)real, 0, 4096); | ||
3103 | cache_push(virt_to_phys((void *)real), 4096); | 3102 | cache_push(virt_to_phys((void *)real), 4096); |
3104 | cache_clear(virt_to_phys((void *)real), 4096); | 3103 | cache_clear(virt_to_phys((void *)real), 4096); |
3105 | kernel_set_cachemode((void *)real, 4096, IOMAP_NOCACHE_SER); | 3104 | kernel_set_cachemode((void *)real, 4096, IOMAP_NOCACHE_SER); |