JFIF$        dd7 

Viewing File: /usr/src/kernels/5.14.0-570.32.1.el9_6.x86_64/include/linux/decompress/mm.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * linux/compr_mm.h
 *
 * Memory management for pre-boot and ramdisk uncompressors
 *
 * Authors: Alain Knaff <alain@knaff.lu>
 *
 */

#ifndef DECOMPR_MM_H
#define DECOMPR_MM_H

#ifdef STATIC

/* Code active when included from pre-boot environment: */

/*
 * Some architectures want to ensure there is no local data in their
 * pre-boot environment, so that data can arbitrarily relocated (via
 * GOT references).  This is achieved by defining STATIC_RW_DATA to
 * be null.
 */
#ifndef STATIC_RW_DATA
#define STATIC_RW_DATA static
#endif

/*
 * When an architecture needs to share the malloc()/free() implementation
 * between compilation units, it needs to have non-local visibility.
 */
#ifndef MALLOC_VISIBLE
#define MALLOC_VISIBLE static
#endif

/* A trivial malloc implementation, adapted from
 *  malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
 */
STATIC_RW_DATA unsigned long malloc_ptr;
STATIC_RW_DATA int malloc_count;

MALLOC_VISIBLE void *malloc(int size)
{
	void *p;

	if (size < 0)
		return NULL;
	if (!malloc_ptr)
		malloc_ptr = free_mem_ptr;

	malloc_ptr = (malloc_ptr + 7) & ~7;     /* Align */

	p = (void *)malloc_ptr;
	malloc_ptr += size;

	if (free_mem_end_ptr && malloc_ptr >= free_mem_end_ptr)
		return NULL;

	malloc_count++;
	return p;
}

MALLOC_VISIBLE void free(void *where)
{
	malloc_count--;
	if (!malloc_count)
		malloc_ptr = free_mem_ptr;
}

#define large_malloc(a) malloc(a)
#define large_free(a) free(a)

#define INIT

#else /* STATIC */

/* Code active when compiled standalone for use when loading ramdisk: */

#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>

/* Use defines rather than static inline in order to avoid spurious
 * warnings when not needed (indeed large_malloc / large_free are not
 * needed by inflate */

#define malloc(a) kmalloc(a, GFP_KERNEL)
#define free(a) kfree(a)

#define large_malloc(a) vmalloc(a)
#define large_free(a) vfree(a)

#define INIT __init
#define STATIC

#include <linux/init.h>

#endif /* STATIC */

#endif /* DECOMPR_MM_H */
Back to Directory  nL+D550H?Mx ,D"v]qv;6*Zqn)ZP0!1 A "#a$2Qr D8 a Ri[f\mIykIw0cuFcRı?lO7к_f˓[C$殷WF<_W ԣsKcëIzyQy/_LKℂ;C",pFA:/]=H  ~,ls/9ć:[=/#f;)x{ٛEQ )~ =𘙲r*2~ a _V=' kumFD}KYYC)({ *g&f`툪ry`=^cJ.I](*`wq1dđ#̩͑0;H]u搂@:~וKL Nsh}OIR*8:2 !lDJVo(3=M(zȰ+i*NAr6KnSl)!JJӁ* %݉?|D}d5:eP0R;{$X'xF@.ÊB {,WJuQɲRI;9QE琯62fT.DUJ;*cP A\ILNj!J۱+O\͔]ޒS߼Jȧc%ANolՎprULZԛerE2=XDXgVQeӓk yP7U*omQIs,K`)6\G3t?pgjrmۛجwluGtfh9uyP0D;Uڽ"OXlif$)&|ML0Zrm1[HXPlPR0'G=i2N+0e2]]9VTPO׮7h(F*癈'=QVZDF,d߬~TX G[`le69CR(!S2!P <0x<!1AQ "Raq02Br#SCTb ?Ζ"]mH5WR7k.ۛ!}Q~+yԏz|@T20S~Kek *zFf^2X*(@8r?CIuI|֓>^ExLgNUY+{.RѪ τV׸YTD I62'8Y27'\TP.6d&˦@Vqi|8-OΕ]ʔ U=TL8=;6c| !qfF3aů&~$l}'NWUs$Uk^SV:U# 6w++s&r+nڐ{@29 gL u"TÙM=6(^"7r}=6YݾlCuhquympǦ GjhsǜNlɻ}o7#S6aw4!OSrD57%|?x>L |/nD6?/8w#[)L7+6〼T ATg!%5MmZ/c-{1_Je"|^$'O&ޱմTrb$w)R$& N1EtdU3Uȉ1pM"N*(DNyd96.(jQ)X 5cQɎMyW?Q*!R>6=7)Xj5`J]e8%t!+'!1Q5 !1 AQaqё#2"0BRb?Gt^## .llQT $v,,m㵜5ubV =sY+@d{N! dnO<.-B;_wJt6;QJd.Qc%p{ 1,sNDdFHI0ГoXшe黅XۢF:)[FGXƹ/w_cMeD,ʡcc.WDtA$j@:) -# u c1<@ۗ9F)KJ-hpP]_x[qBlbpʖw q"LFGdƶ*s+ډ_Zc"?%t[IP 6J]#=ɺVvvCGsGh1 >)6|ey?Lӣm,4GWUi`]uJVoVDG< SB6ϏQ@ TiUlyOU0kfV~~}SZ@*WUUi##; s/[=!7}"WN]'(L! ~y5g9T̅JkbM' +s:S +B)v@Mj e Cf jE 0Y\QnzG1д~Wo{T9?`Rmyhsy3!HAD]mc1~2LSu7xT;j$`}4->L#vzŏILS ֭T{rjGKC;bpU=-`BsK.SFw4Mq]ZdHS0)tLg