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authorThomas Schwinge <tschwinge@gnu.org>2011-07-25 11:27:24 +0200
committerThomas Schwinge <tschwinge@gnu.org>2011-07-25 11:27:24 +0200
commitb687f782572b127e8ae32f0df40250fb19ccd22b (patch)
treeccce6af6cd4809f0f6fa694ff7789c52d1bb9c2e
parent6fb6c2a396bb1b851a4ec8a6f5e605a15c218d10 (diff)
IRC.
-rw-r--r--open_issues/placement_of_virtual_memory_regions.mdwn16
-rw-r--r--open_issues/rm_fr.mdwn12
2 files changed, 27 insertions, 1 deletions
diff --git a/open_issues/placement_of_virtual_memory_regions.mdwn b/open_issues/placement_of_virtual_memory_regions.mdwn
index 95b9e545..39478f20 100644
--- a/open_issues/placement_of_virtual_memory_regions.mdwn
+++ b/open_issues/placement_of_virtual_memory_regions.mdwn
@@ -10,7 +10,7 @@ License|/fdl]]."]]"""]]
[[!tag open_issue_gnumach]]
-IRC, freenode, #hurd, 2011-07-13
+# IRC, freenode, #hurd, 2011-07-13
<braunr> does anyone know if posix (or mach) has requirements or a policy
about the placement of allocations of virtual space ?
@@ -87,3 +87,17 @@ IRC, freenode, #hurd, 2011-07-13
<braunr> jkoenig: i really want to miss as little as possible on the vm
part, so having detailed information about what actually happens on
running hurd systems is something i need
+
+
+# IRC, freenode, #hurd, 2011-07-24
+
+ <braunr> oh btw, i noticed there are many mappings below the program text
+ <braunr> most notably, the stack
+ <braunr> except for special applications like wine, could this break
+ anything ?
+ <braunr> i also wonder how libraries are mapped, because there is nothing
+ to perform top-down allocations
+ <braunr> which means if the region below the program text is exhausted,
+ libraries could be mapped right after the heap
+ <youpi> it shouldn't break anything except things like wine & libgc, yes
+ <braunr> which could make malloc() fail :/
diff --git a/open_issues/rm_fr.mdwn b/open_issues/rm_fr.mdwn
index 89a803ab..aab52d97 100644
--- a/open_issues/rm_fr.mdwn
+++ b/open_issues/rm_fr.mdwn
@@ -25,3 +25,15 @@ really waits for all I/Os, which basically means strictly serializing
file removals: remove one file, wait for the disk to have done it
(~10ms), remove the next one, etc. I guess this is for safety reasons
against crashes, but isn't the sync option there for such kind of
+
+
+# IRC, freenode, #hurd, 2011-07-23
+
+ <antrik> youpi: hm... async deletion does have one downside: I just removed
+ something to make space, and retried the other command immediately
+ afterwards, and it still said "no space left on device"... a few seconds
+ later (after the next regular sync I suppose?) it worked
+ <youpi> well, that's sorta expected, yes
+ <youpi> we get the same on Linux
+ <youpi> Mmm, on second thought, I'm not sure how that can happen
+ <youpi> the asynchronous thing is for disk writes, not cache writes