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Style change: Use NULL rather than 0 where appropriate.

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This commit is contained in:
Alan Cox 2007-12-04 08:17:04 +00:00
parent 136286a141
commit 491bc4fe00
1 changed files with 3 additions and 3 deletions
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6
sys/amd64/amd64/pmap.c
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@ -1430,9 +1430,9 @@ retry:
* This supports switching from a 2MB page to a
* normal 4K page.
*/
if (pd != 0 && (*pd & (PG_PS | PG_V)) == (PG_PS | PG_V)) {
if (pd != NULL && (*pd & (PG_PS | PG_V)) == (PG_PS | PG_V)) {
*pd = 0;
pd = 0;
pd = NULL;
pmap->pm_stats.resident_count -= NBPDR / PAGE_SIZE;
free = NULL;
pmap_unuse_pt(pmap, va, *pmap_pdpe(pmap, va), &free);
@ -1444,7 +1444,7 @@ retry:
* If the page table page is mapped, we just increment the
* hold count, and activate it.
*/
if (pd != 0 && (*pd & PG_V) != 0) {
if (pd != NULL && (*pd & PG_V) != 0) {
m = PHYS_TO_VM_PAGE(*pd & PG_FRAME);
m->wire_count++;
} else {