pr_warn(9)

💖 NAME 💖

pr_warn — print a warning-level message. This is the pr_warn(9) page, straight out of the Kernel API Manual, hiiii bestie ✨

✨ SYNOPSIS ✨

pr_warn (fmt , ... );

🎀 ARGUMENTS 🎀

• fmt — format string, periodt 💅
• ... — arguments for the format string, obvi 🫶

🦋 DESCRIPTION 🦋

Okay so this macro expands to a printk with KERN_WARNING loglevel. It uses pr_fmt to generate the format string. It’s giving warning-level main character energy, no cap 💖

🌸 SEE ALSO 🌸

Kernel file ./include/linux/printk.h — go check these icons too:

• printk_cpu_sync_get_irqsave(9)
• printk_cpu_sync_put_irqrestore(9)
• pr_fmt(9)
• printk(9)
• pr_emerg(9)
• pr_alert(9)
• pr_crit(9)
• pr_err(9)
• pr_notice(9)
• pr_info(9)
• pr_cont(9)
• pr_devel(9)
• pr_debug(9)
• print_hex_dump_bytes(9)

xoxo, sourced from ./include/linux, dated October 2026, and filed under pr_warn(9) — slay 💖✨🎀