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| author | kchow <none@none> | 2007-07-28 09:28:25 -0700 |
|---|---|---|
| committer | kchow <none@none> | 2007-07-28 09:28:25 -0700 |
| commit | 4c36ab8840d241bee6c7f9b5c69205a9ffbd66dd (patch) | |
| tree | fe5d5469aa540d51a9e1f0ecda59c1d21121587e /usr/src | |
| parent | 567d55e140d6df8a327df15dac64a9a0c5b43c35 (diff) | |
| download | illumos-gate-4c36ab8840d241bee6c7f9b5c69205a9ffbd66dd.tar.gz | |
6585487 Incorrect handling of multiple mnodes in a given memseg impacts memory on Primepower systems
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/sun4/vm/vm_dep.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/usr/src/uts/sun4/vm/vm_dep.h b/usr/src/uts/sun4/vm/vm_dep.h index da9f35b778..6f150837f8 100644 --- a/usr/src/uts/sun4/vm/vm_dep.h +++ b/usr/src/uts/sun4/vm/vm_dep.h @@ -335,9 +335,16 @@ typedef struct { * when memory is added (kphysm_add_memory_dynamic) or deleted * (kphysm_del_cleanup). */ -#define PLCNT_MODIFY_MAX(pfn, cnt) { \ - int mn = PFN_2_MEM_NODE(pfn); \ - atomic_add_long(&plcnt[mn][MTYPE_RELOC].plc_mt_pgmax, (cnt)); \ +#define PLCNT_MODIFY_MAX(startpfn, cnt) { \ + pfn_t pfn = startpfn, endpfn = startpfn + ABS(cnt); \ + while (pfn < endpfn) { \ + int mn = PFN_2_MEM_NODE(pfn); \ + long inc = MIN(endpfn, mem_node_config[mn].physmax + 1) \ + - pfn; \ + pfn += inc; \ + atomic_add_long(&plcnt[mn][MTYPE_RELOC].plc_mt_pgmax, \ + ((cnt) < 0) ? -inc: inc); \ + } \ } extern plcnt_t plcnt; |