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[PATCH] Get rid of "double zeroing" of allocated pages

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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 <[email protected]>
Cc: chas williams <[email protected]>
Acked-by: Mauro Carvalho Chehab <[email protected]>
Cc: James Bottomley <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Robert P. J. Day 2007-02-10 01:45:46 -08:00 • committed by Linus Torvalds
commit aa58d61d18
3 changed files with 0 additions and 3 deletions
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1
drivers/scsi/53c7xx.c
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@ -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);