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i82975x_edac: Test nr_pages earlier to save a few CPU cycles 

Avoid test nr_pages twice, and initializing some data that won't
be used.

Cleanup patch only.

Reported-by: Aristeu Rozanski Filho <arozansk@redhat.com>
Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2012-03-28 20:13:36 -03:00
parent 805afb6997
commit 36683aab90
1 changed files with 3 additions and 6 deletions
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9
drivers/edac/i82975x_edac.c
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@ -410,6 +410,9 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
cumul_size);
nr_pages = cumul_size - last_cumul_size;
if (!nr_pages)
continue;
/*
* Initialise dram labels
* index values:
@ -420,9 +423,6 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
for (chan = 0; chan < csrow->nr_channels; chan++) {
dimm = mci->csrows[index].channels[chan].dimm;
if (!nr_pages)
continue;
dimm->nr_pages = nr_pages / csrow->nr_channels;
strncpy(csrow->channels[chan].dimm->label,
labels[(index >> 1) + (chan * 2)],
@ -433,9 +433,6 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
dimm->edac_mode = EDAC_SECDED; /* only supported */
}
if (!nr_pages)
continue; /* not populated */
csrow->first_page = last_cumul_size;
csrow->last_page = cumul_size - 1;
last_cumul_size = cumul_size;