Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
lib/scatterlist: use sg_phys() helper
This shorten the length of code in horizential direction, therefore is
easier to read.
Link: https://lkml.kernel.org/r/20241028182920.1025819-1-sui.jingfeng@linux.dev
Signed-off-by: Sui Jingfeng <sui.jingfeng@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
authored by
Sui Jingfeng
and committed by
Andrew Morton
e01caa2b
2f07b652
+2
-2
+2
-2
lib/scatterlist.c
+2
-2
lib/scatterlist.c
···
474
474
return -EOPNOTSUPP;
475
475
476
476
if (sgt_append->prv) {
477
-
unsigned long next_pfn = (page_to_phys(sg_page(sgt_append->prv)) +
478
-
sgt_append->prv->offset + sgt_append->prv->length) / PAGE_SIZE;
477
+
unsigned long next_pfn;
479
478
480
479
if (WARN_ON(offset))
481
480
return -EINVAL;
482
481
483
482
/* Merge contiguous pages into the last SG */
484
483
prv_len = sgt_append->prv->length;
484
+
next_pfn = (sg_phys(sgt_append->prv) + prv_len) / PAGE_SIZE;
485
485
if (page_to_pfn(pages[0]) == next_pfn) {
486
486
last_pg = pfn_to_page(next_pfn - 1);
487
487
while (n_pages && pages_are_mergeable(pages[0], last_pg)) {