Messages in this thread Patch in this message | | | From | Mauro Carvalho Chehab <> | Subject | [PATCH 11/14] i82975x_edac: Test nr_pages earlier to save a few CPU cycles | Date | Thu, 29 Mar 2012 14:06:58 -0300 |
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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> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> --- drivers/edac/i82975x_edac.c | 9 +++------ 1 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/edac/i82975x_edac.c b/drivers/edac/i82975x_edac.c index 84e5fcc..6b0fd31 100644 --- a/drivers/edac/i82975x_edac.c +++ b/drivers/edac/i82975x_edac.c @@ -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; -- 1.7.8
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