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authorMatthew Wilcox (Oracle) <willy@infradead.org>2019-09-24 01:34:25 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-25 01:54:08 +0300
commita50b854e073cd3335bbbada8dcff83a857297dd7 (patch)
tree2ffc3a1e603860d6c0acc00154b47080c567c9c6 /drivers/target
parent1f18b296699c83d858ca8ebb8b77dbc641d87cae (diff)
downloadlinux-a50b854e073cd3335bbbada8dcff83a857297dd7.tar.xz
mm: introduce page_size()
Patch series "Make working with compound pages easier", v2. These three patches add three helpers and convert the appropriate places to use them. This patch (of 3): It's unnecessarily hard to find out the size of a potentially huge page. Replace 'PAGE_SIZE << compound_order(page)' with page_size(page). Link: http://lkml.kernel.org/r/20190721104612.19120-2-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/tcm_fc/tfc_io.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index a254792d882c..1354a157e9af 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -136,8 +136,7 @@ int ft_queue_data_in(struct se_cmd *se_cmd)
page, off_in_page, tlen);
fr_len(fp) += tlen;
fp_skb(fp)->data_len += tlen;
- fp_skb(fp)->truesize +=
- PAGE_SIZE << compound_order(page);
+ fp_skb(fp)->truesize += page_size(page);
} else {
BUG_ON(!page);
from = kmap_atomic(page + (mem_off >> PAGE_SHIFT));