btopr(9f) 맨 페이지 - 윈디하나의 솔라나라

개요

섹션
맨 페이지 이름
검색(S)

btopr(9f)

btopr(9F)                      Kernel Functions                      btopr(9F)



NAME
       btopr - convert size in bytes to size in pages (round up)

SYNOPSIS
       #include <sys/ddi.h>

       unsigned long btopr(unsigned long numbytes);

INTERFACE LEVEL
       Architecture independent level 1 (DDI/DKI).

PARAMETERS
       numbytes    Number of bytes.


DESCRIPTION
       The  btopr()  function  returns the number of memory pages contained in
       the specified number of bytes memory, rounded  up  to  the  next  whole
       page.  For  example, if the page size is 2048, then btopr(4096) returns
       2, and btopr(4097) returns 3.

RETURN VALUES
       The return value is always the number of pages. There  are  no  invalid
       input values, and therefore no error return values.

CONTEXT
       The btopr() function can be called from user, interrupt, or kernel con‐
       text.

SEE ALSO
       ptob(9F), btop(9F), ddi_btopr(9F)


       Writing Device Drivers in Oracle Solaris 11.4



Oracle Solaris 11.4               16 Jan 2006                        btopr(9F)
맨 페이지 내용의 저작권은 맨 페이지 작성자에게 있습니다.
RSS ATOM XHTML 5 CSS3