On 10.11.25 15:05, Lorenzo Stoakes wrote:
On Mon, Nov 10, 2025 at 02:03:43PM +0000, Matthew Wilcox wrote:
On Mon, Nov 10, 2025 at 03:00:32PM +0100, David Hildenbrand (Red Hat) wrote:
On 10.11.25 14:47, Matthew Wilcox wrote:
On Mon, Nov 10, 2025 at 11:32:53AM +0000, Shivank Garg wrote:
When MADV_COLLAPSE is called on file-backed mappings (e.g., executable
text sections), the pages may still be dirty from recent writes. The
That explanation derails my brain entirely. Text isn't writable! How
can the pages be dirty and file-backed text?
Files are writable :)
Well, if you're root ...
-rwxr-xr-x 1 root root 158632 Jun 4 11:14 /bin/ls
gcc foo.c -o foo && ./foo
Is more the issue I think
Yeah, that's my understanding as well. I guess stuff like
package/container updates might similarly trigger it.
