d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

If we avoid to use the page at addr 0, we should adjust the size to reflect it.

Browse Source
This commit is contained in:
Olivier Houchard 2013-10-17 09:57:09 +00:00
parent 7c3547bacd
commit a1739e7e15
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=256672
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/arm/arm/machdep.c
View File

@ -1169,11 +1169,15 @@ physmap_init(struct mem_region *availmem_regions, int availmem_regions_sz)
*/
if (availmem_regions[i].mr_start > 0 ||
availmem_regions[i].mr_size > PAGE_SIZE) {
vm_size_t size;
phys_avail[j] = availmem_regions[i].mr_start;
if (phys_avail[j] == 0)
size = availmem_regions[i].mr_size;
if (phys_avail[j] == 0) {
phys_avail[j] += PAGE_SIZE;
phys_avail[j + 1] = availmem_regions[i].mr_start +
availmem_regions[i].mr_size;
size -= PAGE_SIZE;
}
phys_avail[j + 1] = availmem_regions[i].mr_start + size;
} else
j -= 2;
}