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Code Issues Releases Activity

Correct contigmalloc2()'s implementation of M_ZERO. Specifically,

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contigmalloc2() was always testing the first physical page for PG_ZERO,
not the current page of interest.

Submitted by: Michael Plass
PR: 81301
MFC after: 1 week
This commit is contained in:
Alan Cox 2007-04-19 05:39:54 +00:00
parent a96d395ba1
commit f40fd96d5b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=168852
1 changed files with 1 additions and 1 deletions
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2
sys/vm/vm_contig.c
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@ -557,7 +557,7 @@ contigmalloc2(vm_page_t m, vm_pindex_t npages, int flags)
for (i = 0; i < npages; i++) {
vm_page_insert(&m[i], object,
OFF_TO_IDX(tmp_addr - VM_MIN_KERNEL_ADDRESS));
if ((flags & M_ZERO) && !(m->flags & PG_ZERO))
if ((flags & M_ZERO) && !(m[i].flags & PG_ZERO))
pmap_zero_page(&m[i]);
tmp_addr += PAGE_SIZE;
}