Kernel Newbies archive on lore.kernel.org
 help / color / Atom feed
* CMA allocation failure
@ 2019-03-07 11:44 Pankaj Suryawanshi
  0 siblings, 0 replies; only message in thread
From: Pankaj Suryawanshi @ 2019-03-07 11:44 UTC (permalink / raw)
  To: kernelnewbies

[-- Attachment #1: Type: text/html, Size: 2505 bytes --]

<div dir='auto'><div dir="auto" style=""><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">Hello,</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;"><br></span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">I am facing issue related to CMA allocation failure of large size buffer.</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;"><br></span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">I am beginner in Linux memory management. So I need your help to debug the issue,&nbsp;</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;"><br></span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">I have below questions&nbsp;</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;"><br></span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">1. Why migration failed ?</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">2. Who pinned the pages/Which process have pinned the pages ? How to identify that.</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">3. How to migrate pages forcefully so failure will avoid.(not preferable approach)</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">etc.</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;"><br></span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">Any help would be appreciated.</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;"><br></span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">Please let me know if you require further information.</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;"><br></span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">Regards,</span></font></div><div dir="auto" style=""><font face="sans-serif"><span style="font-size: 12.8px;">Pankaj</span></font></div></div></div>

[-- Attachment #2: Type: text/plain, Size: 170 bytes --]

_______________________________________________
Kernelnewbies mailing list
Kernelnewbies@kernelnewbies.org
https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, back to index

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-03-07 11:44 CMA allocation failure Pankaj Suryawanshi

Kernel Newbies archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/kernelnewbies/0 kernelnewbies/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 kernelnewbies kernelnewbies/ https://lore.kernel.org/kernelnewbies \
		kernelnewbies@kernelnewbies.org kernelnewbies@archiver.kernel.org
	public-inbox-index kernelnewbies


Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernelnewbies.kernelnewbies


AGPL code for this site: git clone https://public-inbox.org/ public-inbox