9os

commit 2aec0f02f26857f22c42b51a82dd49b2ef214dce
parent d7e4c85917c6e43fbc1ab25a3663c176c9605b56
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu, 15 Oct 2020 22:11:39 +0200

os9: Create allocb()

Allocb() is a buffer allocate which returns blocks of
page size that are correctly aligned. The fine grain
allocator (alloc()) is implemented using as base allocb().

Change-Id: Ibf0583a7e015e49b1c4bf2b1b0d1f7d82884ad2c

Diffstat:
M
include/os9/os9.h
 | 
2
--
M
src/os9/alloc.c
 | 
3
+--

2 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/include/os9/os9.h b/include/os9/os9.h
@@ -111,8 +111,6 @@ struct mach {
 	phyaddr_t ktzero;
 	phyaddr_t phytext;
 	phyaddr_t ptable;
-	phyaddr_t tables;
-	long ntables;
 
 	Map *maps;
 };
diff --git a/src/os9/alloc.c b/src/os9/alloc.c
@@ -22,8 +22,7 @@ allocb(int n)
 	lock(&m);
 	if (npages + n>= NR_BUFFERS)
 		panic("out of memory");
-	else
-		addr= buffertab[npages];
+	addr= buffertab[npages];
 	npages += n;
 	unlock(&m);