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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>
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@ -410,6 +410,9 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
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cumul_size);
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nr_pages = cumul_size - last_cumul_size;
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if (!nr_pages)
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continue;
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/*
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* Initialise dram labels
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* index values:
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@ -420,9 +423,6 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
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for (chan = 0; chan < csrow->nr_channels; chan++) {
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dimm = mci->csrows[index].channels[chan].dimm;
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if (!nr_pages)
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continue;
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dimm->nr_pages = nr_pages / csrow->nr_channels;
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strncpy(csrow->channels[chan].dimm->label,
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labels[(index >> 1) + (chan * 2)],
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@ -433,9 +433,6 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
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dimm->edac_mode = EDAC_SECDED; /* only supported */
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}
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if (!nr_pages)
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continue; /* not populated */
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csrow->first_page = last_cumul_size;
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csrow->last_page = cumul_size - 1;
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last_cumul_size = cumul_size;
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