diff options
Diffstat (limited to 'src/include/kernel/heapmgr.H')
| -rw-r--r-- | src/include/kernel/heapmgr.H | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/src/include/kernel/heapmgr.H b/src/include/kernel/heapmgr.H index 56652ea66..cee0517f0 100644 --- a/src/include/kernel/heapmgr.H +++ b/src/include/kernel/heapmgr.H @@ -1,25 +1,25 @@ -// IBM_PROLOG_BEGIN_TAG -// This is an automatically generated prolog. -// -// $Source: src/include/kernel/heapmgr.H $ -// -// IBM CONFIDENTIAL -// -// COPYRIGHT International Business Machines Corp. 2010 - 2011 -// -// p1 -// -// Object Code Only (OCO) source materials -// Licensed Internal Code Source Materials -// IBM HostBoot Licensed Internal Code -// -// The source code for this program is not published or other- -// wise divested of its trade secrets, irrespective of what has -// been deposited with the U.S. Copyright Office. -// -// Origin: 30 -// -// IBM_PROLOG_END +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/include/kernel/heapmgr.H $ */ +/* */ +/* IBM CONFIDENTIAL */ +/* */ +/* COPYRIGHT International Business Machines Corp. 2010,2013 */ +/* */ +/* p1 */ +/* */ +/* Object Code Only (OCO) source materials */ +/* Licensed Internal Code Source Materials */ +/* IBM HostBoot Licensed Internal Code */ +/* */ +/* The source code for this program is not published or otherwise */ +/* divested of its trade secrets, irrespective of what has been */ +/* deposited with the U.S. Copyright Office. */ +/* */ +/* Origin: 30 */ +/* */ +/* IBM_PROLOG_END_TAG */ #ifndef __KERNEL_HEAPMGR_H #define __KERNEL_HEAPMGR_H @@ -40,7 +40,7 @@ void kernel_execute_decrementer(); * The small heap increases one page at a time as allocations are needed. * A 4k pages is initially divided into buckes of size 3728,336, and 32. * Pages can't be recovered once assinged to the small heap.</p> - * + * * <p>Anthing larger than 3720 goes into the large allocation heap. * Memory in the large allocation heap are assigned as integral pages. * When memory is released from the large allocation heap, it is returned @@ -134,10 +134,11 @@ class HeapManager { struct { - bool free:1; //!< Is chunck free - uint64_t bucket:63; //!< Which bucket this chunk belongs to + bool free:1; //!< Is chunk free + bool coalesce:1; //!< Is chunk being coalesced + uint64_t bucket:62; //!< Which bucket this chunk belongs to } PACKED; - + chunk_t* next; //!< Next chunk (for unallocated chunks only) }; @@ -150,7 +151,7 @@ class HeapManager size_t page_count; //!< Number of pages used big_chunk_t * next; //!< Next allocation - big_chunk_t(void * i_ptr, size_t i_pages) + big_chunk_t(void * i_ptr, size_t i_pages) : addr(i_ptr), page_count(i_pages), next(NULL) {} }; |
