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In pmap_object_init_pt(), the pmap_invalidate_all() should be performed on

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the caller-provided pmap, not the kernel_pmap.  Using the kernel_pmap
results in an unnecessary IPI for TLB shootdown on SMPs.

Reviewed by:	jake, peter
This commit is contained in:
alc 2003-07-08 19:40:35 +00:00
parent 36904d59bb
commit 455ee12a27
2 changed files with 2 additions and 2 deletions
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2
sys/amd64/amd64/pmap.c
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@ -2119,7 +2119,7 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
ptepa += NBPDR;
pde++;
}
pmap_invalidate_all(kernel_pmap);
pmap_invalidate_all(pmap);
}
}

2
sys/i386/i386/pmap.c
View File

@ -2264,7 +2264,7 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
ptepa += NBPDR;
ptepindex += 1;
}
pmap_invalidate_all(kernel_pmap);
pmap_invalidate_all(pmap);
}
}