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authorRobert P. J. Day <rpjday@mindspring.com>2007-02-10 01:45:46 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-11 10:51:31 -0800
commitaa58d61d18b89b98521364550b481fd9bd18c3b6 (patch)
tree26f6fd9cbaf6bc3c7d940d33069b3b701cc41e72 /drivers/scsi
parent78ba2faf71c63990cba9997f18cf1d610e06e3f2 (diff)
downloadlinux-aa58d61d18b89b98521364550b481fd9bd18c3b6.tar.bz2
[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')
-rw-r--r--drivers/scsi/53c7xx.c1
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) {
real = get_zeroed_page(GFP_ATOMIC);
if (real == 0)
return NULL;
- memset((void *)real, 0, 4096);
cache_push(virt_to_phys((void *)real), 4096);
cache_clear(virt_to_phys((void *)real), 4096);
kernel_set_cachemode((void *)real, 4096, IOMAP_NOCACHE_SER);