From: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> Subject: kvfree(): fix misleading comment vfree() might sleep if called not in interrupt context. So does kvfree() too. Fix misleading kvfree()'s comment about allowed context. Link: http://lkml.kernel.org/r/20180914130512.10394-1-aryabinin@xxxxxxxxxxxxx Fixes: 04b8e946075d ("mm/util.c: improve kvfree() kerneldoc") Signed-off-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/util.c~kvfree-fix-misleading-comment +++ a/mm/util.c @@ -435,7 +435,7 @@ EXPORT_SYMBOL(kvmalloc_node); * It is slightly more efficient to use kfree() or vfree() if you are certain * that you know which one to use. * - * Context: Any context except NMI. + * Context: Either preemptible task context or not-NMI interrupt. */ void kvfree(const void *addr) { _
