diff options
| author | alc <alc@FreeBSD.org> | 2004-04-08 19:08:49 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2004-04-08 19:08:49 +0000 |
| commit | e8b438d9b62fb996c6f7d1b0235975f60de0962f (patch) | |
| tree | 026c61d2aa5552e5c47e376657522e943695fa7c /sys | |
| parent | 9bd68e030421bb064cda7fb28c9ac4fe5ce9a9d8 (diff) | |
| download | FreeBSD-src-e8b438d9b62fb996c6f7d1b0235975f60de0962f.zip FreeBSD-src-e8b438d9b62fb996c6f7d1b0235975f60de0962f.tar.gz | |
The demise of vm_pager_map_page() in revision 1.93 of vm/vm_pager.c permits
the reduction of the pager map's size by 8M bytes. In other words, eight
megabytes of largely wasted KVA are returned to the kernel map for use
elsewhere.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/vm/vm_init.c | 4 | ||||
| -rw-r--r-- | sys/vm/vm_pager.c | 3 | ||||
| -rw-r--r-- | sys/vm/vm_pager.h | 1 |
3 files changed, 2 insertions, 6 deletions
diff --git a/sys/vm/vm_init.c b/sys/vm/vm_init.c index 65df1a9..282dd5c 100644 --- a/sys/vm/vm_init.c +++ b/sys/vm/vm_init.c @@ -185,12 +185,12 @@ again: panic("startup: table size inconsistency"); clean_map = kmem_suballoc(kernel_map, &kmi->clean_sva, &kmi->clean_eva, - (nbuf*BKVASIZE) + (nswbuf*MAXPHYS) + pager_map_size); + (nbuf*BKVASIZE) + (nswbuf*MAXPHYS)); buffer_map = kmem_suballoc(clean_map, &kmi->buffer_sva, &kmi->buffer_eva, (nbuf*BKVASIZE)); buffer_map->system_map = 1; pager_map = kmem_suballoc(clean_map, &kmi->pager_sva, &kmi->pager_eva, - (nswbuf*MAXPHYS) + pager_map_size); + (nswbuf*MAXPHYS)); pager_map->system_map = 1; exec_map = kmem_suballoc(kernel_map, &minaddr, &maxaddr, (16*(ARG_MAX+(PAGE_SIZE*3)))); diff --git a/sys/vm/vm_pager.c b/sys/vm/vm_pager.c index 09280fb..b6fa7a6 100644 --- a/sys/vm/vm_pager.c +++ b/sys/vm/vm_pager.c @@ -176,9 +176,6 @@ int npagers = sizeof(pagertab) / sizeof(pagertab[0]); * cleaning requests (NPENDINGIO == 64) * the maximum swap cluster size * (MAXPHYS == 64k) if you want to get the most efficiency. */ -#define PAGER_MAP_SIZE (8 * 1024 * 1024) - -int pager_map_size = PAGER_MAP_SIZE; vm_map_t pager_map; static int bswneeded; static vm_offset_t swapbkva; /* swap buffers kva */ diff --git a/sys/vm/vm_pager.h b/sys/vm/vm_pager.h index b2f6c1b..6b30f80 100644 --- a/sys/vm/vm_pager.h +++ b/sys/vm/vm_pager.h @@ -91,7 +91,6 @@ MALLOC_DECLARE(M_VMPGDATA); #endif extern vm_map_t pager_map; -extern int pager_map_size; extern struct pagerops *pagertab[]; extern struct mtx pbuf_mtx; |
