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Manual Pages  — GETPAGESIZE

NAME

getpagesize – get system page size

CONTENTS

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <unistd.h>

int
getpagesize(void);

DESCRIPTION

The getpagesize() function returns the number of bytes in a page. Page granularity is the granularity of many of the memory management calls.

The page size is a system page size and may not be the same as the underlying hardware page size.

IEEE Std 1003.1-2001 ("POSIX.1") removed getpagesize. Portable applications should use ‘sysconf(_SC_PAGESIZE)’ instead.

SEE ALSO

pagesize(1), sbrk(2), sysconf(3)

HISTORY

The getpagesize() function appeared in BSD 4.2 .
GETPAGESIZE (3) June 1, 2022
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