X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/9bccf70c0258c7cac2dcb80011b2a964d884c552..90556fb8d47e7b68fd301dde9dbb3ae7495cf323:/osfmk/ppc/pmap.c

diff --git a/osfmk/ppc/pmap.c b/osfmk/ppc/pmap.c
index f6f6a8e34..58deccbb7 100644
--- a/osfmk/ppc/pmap.c
+++ b/osfmk/ppc/pmap.c
@@ -483,6 +483,9 @@ pmap_bootstrap(unsigned int mem_size, vm_offset_t *first_avail, vm_offset_t *fir
 	     hash_table_size *= 2)
 		continue;
 
+	if (num > (sizeof(pte_t) * 524288))
+		hash_table_size = hash_table_size/2; /* reduce by half above 512MB */
+
 	/* Scale to within any physical memory layout constraints */
 	do {
 		num = atop(mem_size);	/* num now holds mem_size in pages */
@@ -1050,7 +1053,10 @@ void pmap_remove_some_phys(
 	pp = pmap_find_physentry(pa);				/* Get the physent for this page */
 	if (pp == PHYS_NULL) return;				/* Leave if not in physical RAM */
 
-	mapping_purge_pmap(pp, pmap);	
+	if (pmap->vflags & pmapVMhost)
+		mapping_purge(pp);
+	else
+		mapping_purge_pmap(pp, pmap);	
 
 	return;							/* Leave... */
 }