From: "Stone Wang" <pwstone@gmail.com>
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: [PATCH][6/8] mm: munmap/munmap/mremap and relative
Date: Mon, 20 Mar 2006 08:37:59 -0500 [thread overview]
Message-ID: <bc56f2f0603200537s6157aec8m@mail.gmail.com> (raw)
Adjust VM_LOCKED relative operations in munmap/mmap/mremap:
replacing make_pages_present with make_pages_wired.
Signed-off-by: Shaoping Wang <pwstone@gmail.com>
mmap.c | 8 ++++----
mremap.c | 4 ++--
2 files changed, 6 insertions(+), 6 deletions(-)
--
diff -urN linux-2.6.15.orig/mm/mmap.c linux-2.6.15/mm/mmap.c
--- linux-2.6.15.orig/mm/mmap.c 2006-02-17 05:24:09.000000000 -0500
+++ linux-2.6.15/mm/mmap.c 2006-03-06 06:30:08.000000000 -0500
@@ -1119,7 +1119,7 @@
vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
if (vm_flags & VM_LOCKED) {
mm->locked_vm += len >> PAGE_SHIFT;
- make_pages_present(addr, addr + len);
+ make_pages_wired(addr, addr + len);
}
if (flags & MAP_POPULATE) {
up_write(&mm->mmap_sem);
@@ -1551,7 +1551,7 @@
if (!prev || expand_stack(prev, addr))
return NULL;
if (prev->vm_flags & VM_LOCKED) {
- make_pages_present(addr, prev->vm_end);
+ make_pages_wired(addr, prev->vm_end);
}
return prev;
}
@@ -1614,7 +1614,7 @@
if (expand_stack(vma, addr))
return NULL;
if (vma->vm_flags & VM_LOCKED) {
- make_pages_present(addr, start);
+ make_pages_wired(addr, start);
}
return vma;
}
@@ -1921,7 +1921,7 @@
mm->total_vm += len >> PAGE_SHIFT;
if (flags & VM_LOCKED) {
mm->locked_vm += len >> PAGE_SHIFT;
- make_pages_present(addr, addr + len);
+ make_pages_wired(addr, addr + len);
}
return addr;
}
diff -urN linux-2.6.15.orig/mm/mremap.c linux-2.6.15/mm/mremap.c
--- linux-2.6.15.orig/mm/mremap.c 2006-01-02 22:21:10.000000000 -0500
+++ linux-2.6.15/mm/mremap.c 2006-03-06 06:30:08.000000000 -0500
@@ -230,7 +230,7 @@
if (vm_flags & VM_LOCKED) {
mm->locked_vm += new_len >> PAGE_SHIFT;
if (new_len > old_len)
- make_pages_present(new_addr + old_len,
+ make_pages_wired(new_addr + old_len,
new_addr + new_len);
}
@@ -367,7 +367,7 @@
vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages);
if (vma->vm_flags & VM_LOCKED) {
mm->locked_vm += pages;
- make_pages_present(addr + old_len,
+ make_pages_wired(addr + old_len,
addr + new_len);
}
ret = addr;
--
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reply other threads:[~2006-03-20 13:37 UTC|newest]
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