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authorPekka Enberg <penberg@kernel.org>2020-08-19 17:10:11 +0300
committerPalmer Dabbelt <palmerdabbelt@google.com>2020-09-15 18:45:49 -0700
commit4363287178a85e41cd59f9f1d423fbe1f9048ec8 (patch)
tree6df85fabd176625c926ac5511133865049ee7471 /arch/riscv/mm/fault.c
parentd012a7190fc1fd72ed48911e77ca97ba4521bccd (diff)
downloadlinux-next-4363287178a85e41cd59f9f1d423fbe1f9048ec8.tar.gz
riscv/mm: Simplify retry logic in do_page_fault()
Let's combine the two retry logic if statements in do_page_fault() to simplify the code. Signed-off-by: Pekka Enberg <penberg@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/mm/fault.c')
-rw-r--r--arch/riscv/mm/fault.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 716d64e36f83..f5c2e4a249eb 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -127,17 +127,15 @@ good_area:
BUG();
}
- if (flags & FAULT_FLAG_ALLOW_RETRY) {
- if (fault & VM_FAULT_RETRY) {
- flags |= FAULT_FLAG_TRIED;
-
- /*
- * No need to mmap_read_unlock(mm) as we would
- * have already released it in __lock_page_or_retry
- * in mm/filemap.c.
- */
- goto retry;
- }
+ if (unlikely((fault & VM_FAULT_RETRY) && (flags & FAULT_FLAG_ALLOW_RETRY))) {
+ flags |= FAULT_FLAG_TRIED;
+
+ /*
+ * No need to mmap_read_unlock(mm) as we would
+ * have already released it in __lock_page_or_retry
+ * in mm/filemap.c.
+ */
+ goto retry;
}
mmap_read_unlock(mm);