ÁгöLinuxÔ´ÂëÏÂËùÓÐMakefileµÄ·½·¨
	
    
    
	 Ò»¡¢ÒªÇó£º
1¡¢Äܹ»ÏÔʾ³öMakefileµÄ×ÜÊý
2¡¢ÄÜÏÔʾһ¼¶Ä¿Â¼ÏµÄMakefile×ÜÊý¡¢MakefileÁÐ±í¼°ÆäMakefileµÄÄÚÈÝ
3¡¢Äܽ«ÉÏÊöÄÚÈÝдÈëÏàÓ¦µÄÎļþ
¶þ¡¢ÊµÀý
rm -rf ~/Desktop/linux_Makefile/*
for i in `find . -maxdepth 1 -type d` 
 #½ö½öÊǵ±Ç°Ä¿Â¼£¬ËùÒÔÇ뽫±¾½Å±¾·ÅÔÚlinuxÔ´ÂëĿ¼ÏÂÖ´ÐС£
do
 echo $i
 mkdir -p ~/Desktop/linux_Makefile/$i
 find $i -type f -name "Makefile" -print | echo -e ""$i" Total is:`wc -l`" >> ~/Desktop/linux_Makefile/total_Makefile_list_about.txt 
#
MakefileµÄ×ÜÊý
 find $i -type f -name "Makefile" -print | echo -e "\n"$i"'s Makefile Total number is:`wc -l`\n" > ~/Desktop/linux_Makefile/$i/"$i"_Makefile_list.txt
 find $i -type f -name "Makefile" -print >> ~/Desktop/linux_Makefile/$i/"$i"_Makefile_list.txt
 find $i -type f -name "Makefile" -printf "\n# ============================================================\n# " -print -printf "# ============================================================\n\n" -exec cat {} \; >> ~/Desktop/linux_Makefile/$i/"$i"_Makefile_content.txt
done
mv ~/Desktop/linux_Makefile/._Makefile_content.txt ~/Desktop/linux_Makefile/total_Makefile_content.txt
mv ~/Desktop/linux_Makefile/._Makefile_list.txt ~/Desktop/linux_Makefile/total_Makefile_list.txt
Èý¡¢À©Õ¹³ÉͨÓõÄÎļþ¹éÄɳÌÐò
    
     
	
	
    
    
	Ïà¹ØÎĵµ£º
        
    
    £¨L2CAPÐÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPÐÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼Á¬½Ó¿ØÖƺÍÊÊÅäÐÒé (L2CAP) ΪÉϲãÐÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àÐÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãÐÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......
	
    
        
    
    inux±ØÑ§µÄ60¸öÃüÁî 
LinuxÌṩÁË´óÁ¿µÄÃüÁÀûÓÃËü¿ÉÒÔÓÐЧµØÍê³É´óÁ¿µÄ¹¤×÷£¬Èç´ÅÅ̲Ù×÷¡¢Îļþ´æÈ¡¡¢Ä¿Â¼²Ù×÷¡¢½ø³Ì¹ÜÀí¡¢ÎļþȨÏÞÉ趨µÈ¡£ËùÒÔ£¬ÔÚLinuxϵͳÉϹ¤×÷Àë²»¿ªÊ¹ÓÃϵͳÌṩµÄÃüÁî¡£ÒªÏëÕæÕýÀí½âLinuxϵͳ£¬¾Í±ØÐë´ÓLinuxÃüÁîѧÆð£¬Í¨¹ý»ù´¡µÄÃüÁîѧϰ¿ÉÒÔ½øÒ»²½Àí½âLinuxϵͳ¡£
²»Í¬Linux·¢ÐаæµÄÃüÁîÊýÁ¿² ......
	
    
        
    
    Áù£ºkmem_cache_allocµÄʵÏÖ·ÖÎö:
ÎÒÃÇÔÚÉÏÃæ¿ÉÒÔ¿´µ½£¬´´½¨Ò»¸öcacheÃèÊö·ûµÄʱºò£¬²¢Ã»ÓÐÕâÖ®·ÖÅäslabÊý¾Ý¡£ÏÖÔÚÎÒÃÇÀ´¿´Ò»ÏÂÔõô´ÓcacheÖÐÉêÇë¶ÔÏó
void * kmem_cache_alloc (kmem_cache_t *cachep, int flags)
{
     return __cache_alloc(cachep, flags);
}
ʵ¼ÊÉÏ»áµ÷ÓÃ__cache_allo ......
	
    
        
    
    
Æß£ºkmem_cache_free£¨£©µÄʵÏÖ
kmem_cache_freeÓÃÓÚ°Ñ´ÓslabÖзÖÅäµÄ¶ÔÏóÊͷŵô£¬Í¬·ÖÅäÒ»Ñù£¬ËüÊ×ÏÈ»á°ÑËü·Åµ½ACÖУ¬Èç¹ûACÂúÁË£¬Ôò°Ñ¶ÔÏóÊͷŵ½shareÁ´ÖУ¬Èç¹ûshareÒ²ÂúÁË£¬Ò²¾Í°ÑËüÊÍ·ÅÖÁslab¡£À´¿´¾ßÌåµÄ´úÂ룺
void kmem_cache_free (kmem_cache_t *cachep, void *objp)
{
     unsi ......
	
    
        
    
     ¾Å£º¼¸µã²¹³ä£º
1: SlabÖÐʹÓõÄÒ³Ãæ¶¼»á¼ÓÉÏ“PG_slab”±êÖ¾£¬ÒÔ¸úÒ»°ãµÄÒ³ÃæÇø±ð¡£ÁíÍ⣬ÔÚÊÍ·ÅÄÚ´æµÄʱºò£¬¾³£ÐèÒªÓõ½´ÓÒ³Ãæµ½slabµÄ¶ÔӦת»»¹ØÏµ¡£ÄÇÊÇÔõÑù±êʶµÄÄØ£¿
¹ØÓÚ±êÖ¾£º
×¢ÒâÓÐÒÔÏ´úÂ룺
static void *kmem_getpages(kmem_cache_t *cachep, int flags, int nodeid)
{
  &n ......