Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

drgn.helpers.linux.mm: Incorporate the use of pfn_mapped[] in for_each_page() #228

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

drgn.helpers.linux.mm: Incorporate the use of pfn_mapped[] in for_each_page() #228

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 7 additions & 3 deletions drgn/helpers/linux/mm.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -690,13 +690,17 @@ def decode_page_flags(page: Object) -> str:

def for_each_page(prog: Program) -> Iterator[Object]:
"""
Iterate over all pages in the system.
Iterate over all present/or mapped kernel pages.

:return: Iterator of ``struct page *`` objects.
"""
vmemmap = prog["vmemmap"]
for i in range(prog["min_low_pfn"], prog["max_pfn"]):
yield vmemmap + i
pfn_mapped = prog["pfn_mapped"]
nr_pfn_mapped = prog["nr_pfn_mapped"]
for i in range(nr_pfn_mapped.value_()):
page = vmemmap + pfn_mapped[i].start.value_()
for j in range(pfn_mapped[i].start.value_(), pfn_mapped[i].end.value_() - pfn_mapped[i].start.value_()):
yield page + j


@overload
Expand Down