Remove trailing white space with:

 for f in *.{h,c}; do sed -i .sed 's/[[:blank:]]*$//' $f; done
(Thanks to Nicolás Wolovick)

1 files changed, 7 insertions, 7 deletions

diff --git a/vm.c b/vm.c
index 6c42ae5..16fb03b 100644
--- a/vm.c
+++ b/vm.c
@@ -32,7 +32,7 @@ seginit(void)
 
   lgdt(c->gdt, sizeof(c->gdt));
   loadgs(SEG_KCPU << 3);
-  
+
   // Initialize cpu-local storage.
   cpu = c;
   proc = 0;
@@ -56,7 +56,7 @@ walkpgdir(pde_t *pgdir, const void *va, int alloc)
     // Make sure all those PTE_P bits are zero.
     memset(pgtab, 0, PGSIZE);
     // The permissions here are overly generous, but they can
-    // be further restricted by the permissions in the page table 
+    // be further restricted by the permissions in the page table
     // entries, if necessary.
     *pde = V2P(pgtab) | PTE_P | PTE_W | PTE_U;
   }
@@ -71,7 +71,7 @@ mappages(pde_t *pgdir, void *va, uint size, uint pa, int perm)
 {
   char *a, *last;
   pte_t *pte;
-  
+
   a = (char*)PGROUNDDOWN((uint)va);
   last = (char*)PGROUNDDOWN(((uint)va) + size - 1);
   for(;;){
@@ -93,7 +93,7 @@ mappages(pde_t *pgdir, void *va, uint size, uint pa, int perm)
 // current process's page table during system calls and interrupts;
 // page protection bits prevent user code from using the kernel's
 // mappings.
-// 
+//
 // setupkvm() and exec() set up every page table like this:
 //
 //   0..KERNBASE: user memory (text+data+stack+heap), mapped to
@@ -101,7 +101,7 @@ mappages(pde_t *pgdir, void *va, uint size, uint pa, int perm)
 //   KERNBASE..KERNBASE+EXTMEM: mapped to 0..EXTMEM (for I/O space)
 //   KERNBASE+EXTMEM..data: mapped to EXTMEM..V2P(data)
 //                for the kernel's instructions and r/o data
-//   data..KERNBASE+PHYSTOP: mapped to V2P(data)..PHYSTOP, 
+//   data..KERNBASE+PHYSTOP: mapped to V2P(data)..PHYSTOP,
 //                                  rw data + free physical memory
 //   0xfe000000..0: mapped direct (devices such as ioapic)
 //
@@ -136,7 +136,7 @@ setupkvm(void)
   if (P2V(PHYSTOP) > (void*)DEVSPACE)
     panic("PHYSTOP too high");
   for(k = kmap; k < &kmap[NELEM(kmap)]; k++)
-    if(mappages(pgdir, k->virt, k->phys_end - k->phys_start, 
+    if(mappages(pgdir, k->virt, k->phys_end - k->phys_start,
                 (uint)k->phys_start, k->perm) < 0)
       return 0;
   return pgdir;
@@ -181,7 +181,7 @@ void
 inituvm(pde_t *pgdir, char *init, uint sz)
 {
   char *mem;
-  
+
   if(sz >= PGSIZE)
     panic("inituvm: more than a page");
   mem = kalloc();