(' ') endif mlast=mlast0 endif if(iflg.eq.2) then ! Emergency room treatment for maxmem array overflow if(iprt.ge.0) then call errwrt('+++++++++++WARNING+++++++++++++') write ( unit=errstr, fmt='(A,A,I8,A)' ) 'BUFRLIB: UFBMEM - THE NO. OF BYTES REQUIRED...
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1. 这里面的宏都和线性地址的最后1GB有关,其中__VANALLOC_RESERVE为128M,下图说明了第4GB的内存划分 结合这个图我们可以得出MAXMEM为一个略小于896M的值(896M-8K-4M-4M),即略小于低端内存的上限,高端内存的起始地址,这样是为了避免某些情况下产生的OOPS。 走得貌似有点远了,再回到e820_end_of_ram_pfn(),...
DTS_E_TXAGG_MEMALLOCERROUTPUTDESCRIPTORS Field DTS_E_TXAGG_MEMALLOCERRSORTORDERDESCRIPTORS Field DTS_E_TXAGG_MEMALLOCERRWORKSPACEBUFFCOLS Field DTS_E_TXAGG_MEMALLOCERRWORKSPACEDESCRIPTORS Field DTS_E_TXAGG_MEMALLOCERRWORKSPACENUMERICDESCRIPTORS Field DTS_E_TXAGG_MEMALLOCERRWORKSPACESORTORDERDESCRIPTORS...
* down by 3. But (n+8) >> 3 == (n >> 3) + 1 * (modulo overflows, which we do not have). * * Finally, we LONG_ALIGN because all bitmap * operations are on longs. */ bitmap_size = (size-1) >> (i+4); bitmap_size = LONG_ALIGN(bitmap_size+1); ...
VTune probably does counter freezing on the initial overflow, but that has known bugs in several processor families, and it is not always easy to be sure that all the transactions initiated in the runtime library have completed their cache transactions before the counters are unfrozen... ...
MEM_HANDLE_T mem =mem_alloc( size, align, (MEM_FLAG_T)mem_flags, name ); pool->object[i].mem = mem;// all ->offset fields are 0 from the previous memsetif( mem == MEM_INVALID_HANDLE ) {// out of memory... clean up nicely and return errorwhile(i >0) ...
4.11.3 __alloc_pages_slowpath() 参考文档: 1. Buddy 简介 内存是计算机系统中最重要的核心资源之一,Buddy 系统是 Linux 最底层的内存管理机制,它使用 Page 粒度来管理内存。通常情况下一个 Page 的大小为 4K,在 Buddy 系统中分配、释放、回收的最小单位都是 Page。
DTS_E_EXPREVALSTATIC_DATACONVERSIONOVERFLOW 字段 DTS_E_EXPREVALSTATIC_DIVBYZERO 字段 DTS_E_EXPREVALSTATIC_FAILEDTOCONVERTSTRCOLUMNTOWSTR 字段 DTS_E_EXPREVALSTATIC_FAILEDTOPARSEEXPRESSION 字段 DTS_E_EXPREVALSTATIC_FNFINDSTRINGINVALIDOCCURRENCECOUNT 字段 DTS_E_EXPREVALSTATIC_FNREPLICATEINVALIDREPEATCOUNT 字段...
==22868==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x604000049780 at pc 0x0000015716d8 bp 0x7fa775df4fb0 sp 0x7fa775df4fa8 READ of size 1 at 0x604000049780 thread T50 (worker) #0 0x15716d7 in NUM_numpart_from_char(NUMProc*, int, int, int&) (/data/chendong/dbInsta...