tree-wide: link to docs.kernel.org for kernel documentation

https://www.kernel.org/ links to https://docs.kernel.org/ for the documentation.
These URLs are shorter and nicer looking.

man/systemd-sleep.conf.xml

@@ -162,7 +162,7 @@
 
         <para>The allowed set of values is determined by the kernel and is shown in the file itself (use
         <command>cat /sys/power/disk</command> to display). See the kernel documentation page
-        <ulink url="https://www.kernel.org/doc/html/latest/admin-guide/pm/sleep-states.html#basic-sysfs-interfaces-for-system-suspend-and-hibernation">
+        <ulink url="https://docs.kernel.org/admin-guide/pm/sleep-states.html#basic-sysfs-interfaces-for-system-suspend-and-hibernation">
           Basic sysfs Interfaces for System Suspend and Hibernation</ulink> for more details.</para>
 
         <para>
@@ -183,7 +183,7 @@
 
         <para>The allowed set of values is determined by the kernel and is shown in the file itself (use
         <command>cat /sys/power/state</command> to display). See <ulink
-        url="https://www.kernel.org/doc/html/latest/admin-guide/pm/sleep-states.html#basic-sysfs-interfaces-for-system-suspend-and-hibernation">
+        url="https://docs.kernel.org/admin-guide/pm/sleep-states.html#basic-sysfs-interfaces-for-system-suspend-and-hibernation">
           Basic sysfs Interfaces for System Suspend and Hibernation</ulink> for more details.</para>
 
         <para>

man/systemd.resource-control.xml

@@ -487,7 +487,7 @@ CPUWeight=20   DisableControllers=cpu              /          \
           cache for swap pages. It takes pages that are in the process of being swapped out and attempts to compress them into a
           dynamically allocated RAM-based memory pool. If the limit specified is hit, no entries from this unit will be
           stored in the pool until existing entries are faulted back or written out to disk. See the kernel's
-          <ulink url="https://www.kernel.org/doc/html/latest/admin-guide/mm/zswap.html">Zswap</ulink> documentation for more details.</para>
+          <ulink url="https://docs.kernel.org/admin-guide/mm/zswap.html">Zswap</ulink> documentation for more details.</para>
 
           <para>Takes a size in bytes. If the value is suffixed with K, M, G or T, the specified size is
           parsed as Kilobytes, Megabytes, Gigabytes, or Terabytes (with the base 1024), respectively. If assigned the
@@ -566,7 +566,7 @@ CPUWeight=20   DisableControllers=cpu              /          \
           number of tasks on the system. If assigned the special value <literal>infinity</literal>, no tasks
           limit is applied. This controls the <literal>pids.max</literal> control group attribute. For
           details about this control group attribute, the
-          <ulink url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#pid">pids controller
+          <ulink url="https://docs.kernel.org/admin-guide/cgroup-v2.html#pid">pids controller
           </ulink>.
           The effective configuration is reported as <varname>EffectiveTasksMax=</varname>.</para>
 

src/shared/bpf-program.c

@@ -321,7 +321,7 @@ int bpf_map_new(
         /* The map name is primarily informational for debugging purposes, and typically too short
          * to carry the full unit name, hence we employ a trivial lossy escaping to make it fit
          * (truncation + only alphanumerical, "." and "_" are allowed as per
-         * https://www.kernel.org/doc/html/next/bpf/maps.html#usage-notes) */
+         * https://docs.kernel.org/bpf/maps.html#usage-notes) */
         for (size_t i = 0; i < sizeof(attr.map_name) - 1 && *n; i++, n++)
                 attr.map_name[i] = strchr(ALPHANUMERICAL ".", *n) ? *n : '_';
 

src/ukify/ukify.py

@@ -190,7 +190,7 @@ class Uname:
     @classmethod
     def scrape_x86(cls, filename, opts=None):
         # Based on https://gitlab.archlinux.org/archlinux/mkinitcpio/mkinitcpio/-/blob/master/functions#L136
-        # and https://www.kernel.org/doc/html/latest/x86/boot.html#the-real-mode-kernel-header
+        # and https://docs.kernel.org/arch/x86/boot.html#the-real-mode-kernel-header
         with open(filename, 'rb') as f:
             f.seek(0x202)
             magic = f.read(4)