From 8078e0ed1f3f3bac776b412b0f85ada86f91fef0 Mon Sep 17 00:00:00 2001 From: Jonathan Corbet Date: Thu, 3 Jul 2025 12:43:58 -0600 Subject: docs: kdoc: micro-optimize KernRe Rework _add_regex() to avoid doing the lookup twice for the (hopefully common) cache-hit case. Reviewed-by: Mauro Carvalho Chehab Tested-by: Akira Yokosawa Signed-off-by: Jonathan Corbet Link: https://lore.kernel.org/r/20250703184403.274408-3-corbet@lwn.net --- scripts/lib/kdoc/kdoc_re.py | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'scripts/lib/kdoc/kdoc_re.py') diff --git a/scripts/lib/kdoc/kdoc_re.py b/scripts/lib/kdoc/kdoc_re.py index e81695b273bf..612223e1e723 100644 --- a/scripts/lib/kdoc/kdoc_re.py +++ b/scripts/lib/kdoc/kdoc_re.py @@ -29,12 +29,9 @@ class KernRe: """ Adds a new regex or re-use it from the cache. """ - - if string in re_cache: - self.regex = re_cache[string] - else: + self.regex = re_cache.get(string, None) + if not self.regex: self.regex = re.compile(string, flags=flags) - if self.cache: re_cache[string] = self.regex -- cgit