diff options
| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-28 20:13:36 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-05-28 19:13:53 -0300 |
| commit | 36683aab90373afd0cff0935bf886ebe6c7b0de6 (patch) | |
| tree | c299130d7c5eb1f0bb403d78c9e920c2e22ab84c /drivers/edac/i82975x_edac.c | |
| parent | 805afb6997ce45093981f27afbe4e21ccde3d990 (diff) | |
| download | lwn-36683aab90373afd0cff0935bf886ebe6c7b0de6.tar.gz lwn-36683aab90373afd0cff0935bf886ebe6c7b0de6.zip | |
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>
Diffstat (limited to 'drivers/edac/i82975x_edac.c')
| -rw-r--r-- | 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 9c346d7f707f..433332c7cdba 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; |