system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-10-15 12:54:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improve error reporting when the swap pager runs out of memory.

Browse source 
Reviewed by:	kib
MFC after:	2 weeks
Sponsored by:	Klara Inc.
Differential Revision:	https://reviews.freebsd.org/D19699
This commit is contained in:
Edward Tomasz Napierala 2019-03-26 19:11:15 +00:00
parent b25ce41e33
commit 0b208315f4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=345551
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
sys/vm/swap_pager.c
View file

@ -1510,9 +1510,10 @@ swp_pager_async_iodone(struct buf *bp)
vm_object_t object = NULL;
/*
* report error
* Report error - unless we ran out of memory, in which case
* we've already logged it in swapgeom_strategy().
*/
if (bp->b_ioflags & BIO_ERROR) {
if (bp->b_ioflags & BIO_ERROR && bp->b_error != ENOMEM) {
printf(
"swap_pager: I/O error - %s failed; blkno %ld,"
"size %ld, error %d\n",
@ -2692,6 +2693,7 @@ swapgeom_strategy(struct buf *bp, struct swdevt *sp)
mtx_unlock(&sw_dev_mtx);
bp->b_error = ENOMEM;
bp->b_ioflags |= BIO_ERROR;
printf("swap_pager: cannot allocate bio\n");
bufdone(bp);
return;
}